{"id":"https://openalex.org/W7204967472","doi":"https://doi.org/10.5281/zenodo.22227784","title":"Serum Leads Level, Some Haematological Parameters and Cd4+ Cells Count among Fueling Station Attendants in Jigawa State, North Western Nigeria","display_name":"Serum Leads Level, Some Haematological Parameters and Cd4+ Cells Count among Fueling Station Attendants in Jigawa State, North Western Nigeria","publication_year":2026,"publication_date":"2026-09-01","ids":{"openalex":"https://openalex.org/W7204967472","doi":"https://doi.org/10.5281/zenodo.22227784"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.22227784","doi":"https://doi.org/10.5281/zenodo.22227784","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22227784","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.22227784","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051802697","display_name":"Muhammad Alhassan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Muhammad Alhassan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148885152","display_name":"Bilkisu Magaji","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bilkisu Magaji","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127923931","display_name":"Abdullahi Abubakar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abdullahi Abubakar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102005723","display_name":"Mustapha Muhammad","orcid":"https://orcid.org/0000-0002-6845-918X","observed_orcids":["https://orcid.org/0000-0002-6845-918X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mustapha Muhammad","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148837435","display_name":"Dauad Rabiu","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dauad Rabiu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148853663","display_name":"Shamsu Adamu","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shamsu Adamu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148937483","display_name":"Bashir Abdulrazak","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bashir Abdulrazak","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5071178344","display_name":"N. N. Garba","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Garba, N.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10790","display_name":"Heavy Metal Exposure and Toxicity","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10790","display_name":"Heavy Metal Exposure and Toxicity","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14072","display_name":"Immunotoxicology and immune responses","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/occupational-lead-exposure","display_name":"occupational lead exposure","score":0.47999998927116394},{"id":"https://openalex.org/keywords/blood-lead-levels","display_name":"blood lead levels","score":0.9129999876022339},{"id":"https://openalex.org/keywords/hematological-parameters","display_name":"hematological parameters","score":0.9359999895095825},{"id":"https://openalex.org/keywords/cd4-count","display_name":"CD4 count","score":0.9900000095367432},{"id":"https://openalex.org/keywords/lymphocyte-count","display_name":"lymphocyte count","score":0.7310000061988831},{"id":"https://openalex.org/keywords/neutrophil-count","display_name":"neutrophil count","score":0.8019999861717224},{"id":"https://openalex.org/keywords/occupational-exposure","display_name":"occupational exposure","score":0.5649999976158142}],"concepts":[{"id":"https://openalex.org/C2781058662","wikidata":"https://www.wikidata.org/wiki/Q1358504","display_name":"Mean corpuscular volume","level":3,"score":0.7282999753952026},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6879000067710876},{"id":"https://openalex.org/C2778488018","wikidata":"https://www.wikidata.org/wiki/Q42395","display_name":"White blood cell","level":2,"score":0.5830000042915344},{"id":"https://openalex.org/C65409693","wikidata":"https://www.wikidata.org/wiki/Q425265","display_name":"Statistical significance","level":2,"score":0.5123000144958496},{"id":"https://openalex.org/C43044207","wikidata":"https://www.wikidata.org/wiki/Q618363","display_name":"Venous blood","level":2,"score":0.5005000233650208},{"id":"https://openalex.org/C2777761686","wikidata":"https://www.wikidata.org/wiki/Q715347","display_name":"Lymphocyte","level":2,"score":0.3926999866962433},{"id":"https://openalex.org/C3019917304","wikidata":"https://www.wikidata.org/wiki/Q886518","display_name":"Blood count","level":2,"score":0.39149999618530273},{"id":"https://openalex.org/C2776557347","wikidata":"https://www.wikidata.org/wiki/Q37187","display_name":"Red blood cell","level":2,"score":0.37380000948905945},{"id":"https://openalex.org/C2779979121","wikidata":"https://www.wikidata.org/wiki/Q211709","display_name":"Blood cell","level":2,"score":0.3684000074863434},{"id":"https://openalex.org/C2775897519","wikidata":"https://www.wikidata.org/wiki/Q1273048","display_name":"Mean corpuscular hemoglobin concentration","level":4,"score":0.36419999599456787},{"id":"https://openalex.org/C122048520","wikidata":"https://www.wikidata.org/wiki/Q2913954","display_name":"Percentile","level":2,"score":0.3562000095844269},{"id":"https://openalex.org/C2993758460","wikidata":"https://www.wikidata.org/wiki/Q65067531","display_name":"Hematology analyzer","level":2,"score":0.3393000066280365},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.3301999866962433},{"id":"https://openalex.org/C2986587452","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical analysis","level":2,"score":0.32989999651908875},{"id":"https://openalex.org/C194409129","wikidata":"https://www.wikidata.org/wiki/Q103824","display_name":"Hematology","level":2,"score":0.32249999046325684},{"id":"https://openalex.org/C2780959883","wikidata":"https://www.wikidata.org/wiki/Q111146","display_name":"Hematocrit","level":2,"score":0.31949999928474426},{"id":"https://openalex.org/C2910929737","wikidata":"https://www.wikidata.org/wiki/Q3296909","display_name":"Nucleated Red Blood Cell","level":4,"score":0.31520000100135803},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.31290000677108765},{"id":"https://openalex.org/C3020391436","wikidata":"https://www.wikidata.org/wiki/Q715347","display_name":"Lymphocyte subsets","level":4,"score":0.30570000410079956},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.30250000953674316},{"id":"https://openalex.org/C2776431099","wikidata":"https://www.wikidata.org/wiki/Q3392515","display_name":"Blood lead level","level":4,"score":0.30250000953674316},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3012000024318695},{"id":"https://openalex.org/C3020026551","wikidata":"https://www.wikidata.org/wiki/Q110315","display_name":"Lead exposure","level":3,"score":0.28690001368522644},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.2849000096321106},{"id":"https://openalex.org/C42972112","wikidata":"https://www.wikidata.org/wiki/Q170201","display_name":"Veterinary medicine","level":1,"score":0.27799999713897705},{"id":"https://openalex.org/C33070731","wikidata":"https://www.wikidata.org/wiki/Q7218","display_name":"Toxicology","level":1,"score":0.2761000096797943},{"id":"https://openalex.org/C2778248108","wikidata":"https://www.wikidata.org/wiki/Q5445","display_name":"Anemia","level":2,"score":0.2759999930858612},{"id":"https://openalex.org/C2992282259","wikidata":"https://www.wikidata.org/wiki/Q3149136","display_name":"Immune status","level":3,"score":0.2705000042915344},{"id":"https://openalex.org/C2776768635","wikidata":"https://www.wikidata.org/wiki/Q3427301","display_name":"Volunteer","level":2,"score":0.257999986410141}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.22227784","doi":"https://doi.org/10.5281/zenodo.22227784","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22227784","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},{"id":"doi:10.5281/zenodo.22227785","doi":"https://doi.org/10.5281/zenodo.22227785","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22227785","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"}],"best_oa_location":{"id":"doi:10.5281/zenodo.22227784","doi":"https://doi.org/10.5281/zenodo.22227784","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22227784","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"sustainable_development_goals":[{"score":0.9940000176429749,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7203975123","https://openalex.org/W2333825713","https://openalex.org/W4390142215","https://openalex.org/W4249552170","https://openalex.org/W2162651688","https://openalex.org/W3120886370","https://openalex.org/W2182414153","https://openalex.org/W2904777356","https://openalex.org/W3184068547","https://openalex.org/W2911066964"],"abstract_inverted_index":{"Background:":[0],"Occupational":[1],"exposure":[2,25,338,364],"to":[3,20,156,361],"lead":[4,24,47,101,129,175,254,287,314,337,363,370],"remains":[5],"a":[6,112,134,266],"significant":[7,257,267,323],"public":[8],"health":[9,355],"concern,":[10],"particularly":[11],"among":[12,58,74,180,213,301,306,316],"fueling":[13,59,181,302,317,372],"station":[14,60,182,303,318,373],"attendants":[15,61,183,304,319],"who":[16],"are":[17,320,359],"routinely":[18],"exposed":[19,214],"petroleum":[21],"products.":[22],"Chronic":[23],"has":[26],"been":[27],"associated":[28,321],"with":[29,165,260,272,284,322],"alterations":[30,324],"in":[31,62,185,325,365],"haematological":[32,52,326,375],"indices":[33,327],"and":[34,54,82,103,127,150,161,204,242,262,279,328,344,350,356],"impairment":[35],"of":[36,45,95,352],"immune":[37,345],"function.":[38],"Objective:":[39],"This":[40],"study":[41,71],"evaluated":[42],"the":[43,123,162,186],"effect":[44],"blood":[46,89,97,100,128,194,225,286,313],"levels":[48,130,176,255,315],"(BLL)":[49],"on":[50],"selected":[51],"parameters":[53,108],"CD4+":[55,104,118,294,330,377],"T-cell":[56,105,295,331],"counts":[57,119,281,291,296],"Jigawa":[63],"State,":[64],"north-western":[65],"Nigeria.":[66,382],"Methods:":[67],"A":[68],"comparative":[69],"cross-sectional":[70],"was":[72,270],"conducted":[73],"378":[75],"apparently":[76],"healthy":[77],"adults":[78],"aged":[79],"18":[80],"years":[81],"above,":[83],"recruited":[84],"using":[85,111,122,133],"purposive":[86],"sampling.":[87],"Venous":[88],"samples":[90],"were":[91,109,120,131,141,154,177,210,247,297],"collected":[92],"for":[93],"determination":[94],"full":[96],"count":[98,227],"(FBC),":[99],"levels,":[102,288],"counts.":[106],"Haematological":[107],"analyzed":[110],"Sysmex":[113],"KN-21":[114],"automated":[115],"haematology":[116],"analyzer,":[117],"determined":[121],"Partec":[124],"CyFlow":[125],"system,":[126],"measured":[132,163],"Shimadzu":[135],"6800":[136],"Atomic":[137],"Absorption":[138],"Spectrophotometer.":[139],"Data":[140],"expressed":[142],"as":[143],"mean":[144,233,238,243,276],"\u00b1":[145],"standard":[146],"deviation.":[147],"Group":[148],"comparisons":[149],"Spearman's":[151],"correlation":[152,269],"analysis":[153],"performed":[155],"evaluate":[157],"associations":[158],"between":[159],"BLL":[160],"variables,":[164],"statistical":[166],"significance":[167],"set":[168],"at":[169],"p":[170],"<":[171,217,251,309],"0.05.":[172],"Results:":[173],"Blood":[174,253,369],"significantly":[178,211,248,283,299],"higher":[179],"than":[184,305],"control":[187],"group":[188],"(p":[189,216,250,308],"=":[190],"0.001).":[191],"Total":[192],"white":[193],"cell":[195,198,206,226],"count,":[196],"mixed":[197],"percentage":[199,202,222],"(MXD%),":[200],"lymphocyte":[201,261,290],"(LYM%),":[203],"red":[205,224],"distribution":[207],"width":[208],"(RDW)":[209],"elevated":[212],"participants":[215],"0.05).":[218,252,310],"In":[219],"contrast,":[220],"neutrophil":[221,263,280],"(NEUT%),":[223],"(RBC),":[228],"haemoglobin":[229,235,245],"(Hb),":[230],"haematocrit":[231],"(HCT),":[232],"corpuscular":[234,239,244,277],"concentration":[236],"(MCHC),":[237],"volume":[240],"(MCV),":[241],"(MCH)":[246],"reduced":[249,329],"showed":[256],"positive":[258],"correlations":[259],"counts,":[264,332],"while":[265],"negative":[268],"observed":[271],"MXD%.":[273],"Haemoglobin,":[274],"haematocrit,":[275],"volume,":[278],"declined":[282],"increasing":[285],"whereas":[289],"increased":[292],"significantly.":[293],"also":[298],"lower":[300],"controls":[307],"Conclusion:":[311],"Elevated":[312],"suggesting":[333],"that":[334],"chronic":[335],"occupational":[336,354,380],"may":[339],"adversely":[340],"affect":[341],"both":[342],"haematopoietic":[343],"functions.":[346],"Routine":[347],"biological":[348],"monitoring":[349],"implementation":[351],"effective":[353],"safety":[357],"measures":[358],"recommended":[360],"minimize":[362],"this":[366],"population.":[367],"Keywords:":[368],"level,":[371],"attendants,":[374],"parameters,":[376],"T":[378],"cells,":[379],"exposure,":[381]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-02T00:00:00"}