{"id":"https://openalex.org/W188367262","doi":"https://doi.org/10.1002/jmri.1880050514","title":"The quantitative Relation Between T1\u2010Weighted and T2\u2010Weighted MRI of Normal gray Matter and iron concentration","display_name":"The quantitative Relation Between T1\u2010Weighted and T2\u2010Weighted MRI of Normal gray Matter and iron concentration","publication_year":1995,"publication_date":"1995-09-01","ids":{"openalex":"https://openalex.org/W188367262","doi":"https://doi.org/10.1002/jmri.1880050514","mag":"188367262","pmid":"https://pubmed.ncbi.nlm.nih.gov/8574041"},"language":"en","primary_location":{"id":"doi:10.1002/jmri.1880050514","doi":"https://doi.org/10.1002/jmri.1880050514","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jmri.1880050514","pdf_url":null,"source":{"id":"https://openalex.org/S132538424","display_name":"Journal of Magnetic Resonance Imaging","issn_l":"1053-1807","issn":["1053-1807","1522-2586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Magnetic Resonance Imaging","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002646958","display_name":"Josef Vymazal","orcid":"https://orcid.org/0000-0002-1221-8619","observed_orcids":["https://orcid.org/0000-0002-1221-8619"]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I4210110767","display_name":"National Institute of Neurological Disorders and Stroke","ror":"https://ror.org/01s5ya894","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210110767"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J Vymazal","raw_affiliation_strings":["Neuroimaging Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neuroimaging Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210110767"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070729587","display_name":"Milan H\u00e1jek","orcid":"https://orcid.org/0000-0003-4704-6164","observed_orcids":["https://orcid.org/0000-0003-4704-6164"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M Hajek","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113518224","display_name":"N Patronas","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N Patronas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082500942","display_name":"Jay N. Giedd","orcid":"https://orcid.org/0000-0003-2002-8978","observed_orcids":["https://orcid.org/0000-0003-2002-8978"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J N Giedd","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028758394","display_name":"Jeff W. M. Bulte","orcid":"https://orcid.org/0000-0003-1202-1610","observed_orcids":["https://orcid.org/0000-0003-1202-1610"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J W Bulte","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105416698","display_name":"Charles D. Baumgarner","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C Baumgarner","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108377515","display_name":"V Tran","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"V Tran","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"R A Brooks","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R A Brooks","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3680,"currency":"USD","value_usd":3680},"apc_paid":null,"fwci":2.9674,"has_fulltext":false,"cited_by_count":88,"citation_normalized_percentile":{"value":0.89173921,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"5","issue":"5","first_page":"554","last_page":"560"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13481","display_name":"Neurological diseases and metabolism","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2808","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10452","display_name":"Iron Metabolism and Disorders","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/spin-lattice-relaxation-time","display_name":"T1 relaxation time","score":0.8109999895095825},{"id":"https://openalex.org/keywords/t2-relaxation-time","display_name":"T2 relaxation time","score":1.0},{"id":"https://openalex.org/keywords/caudate-nucleus","display_name":"caudate nucleus","score":0.7749999761581421},{"id":"https://openalex.org/keywords/putamen","display_name":"putamen","score":0.9800000190734863},{"id":"https://openalex.org/keywords/globus-pallidus","display_name":"globus pallidus","score":0.9980000257492065},{"id":"https://openalex.org/keywords/frontal-cortex","display_name":"frontal cortex","score":0.8519999980926514},{"id":"https://openalex.org/keywords/ferritin","display_name":"ferritin","score":0.593999981880188}],"concepts":[{"id":"https://openalex.org/C166275286","wikidata":"https://www.wikidata.org/wiki/Q190095","display_name":"Gray (unit)","level":2,"score":0.7387220859527588},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.4052531123161316},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.40218687057495117},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3933160901069641},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15293145179748535}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000367","descriptor_name":"Age Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true},{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004827","descriptor_name":"Epilepsy","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D004827","descriptor_name":"Epilepsy","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D005069","descriptor_name":"Evaluation Studies as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005293","descriptor_name":"Ferritins","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007501","descriptor_name":"Iron","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009682","descriptor_name":"Magnetic Resonance Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010487","descriptor_name":"Periaqueductal Gray","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D010487","descriptor_name":"Periaqueductal Gray","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D012016","descriptor_name":"Reference Values","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1002/jmri.1880050514","doi":"https://doi.org/10.1002/jmri.1880050514","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jmri.1880050514","pdf_url":null,"source":{"id":"https://openalex.org/S132538424","display_name":"Journal of Magnetic Resonance Imaging","issn_l":"1053-1807","issn":["1053-1807","1522-2586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Magnetic Resonance Imaging","raw_type":"journal-article"},{"id":"pmid:8574041","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/8574041","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of magnetic resonance imaging : JMRI","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6240000128746033,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"score":0.6200000047683716,"id":"https://metadata.un.org/sdg/4","display_name":"Quality education"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1950237939","https://openalex.org/W1966017938","https://openalex.org/W1969462908","https://openalex.org/W1981835221","https://openalex.org/W1990537396","https://openalex.org/W2010417083","https://openalex.org/W2010754167","https://openalex.org/W2016071723","https://openalex.org/W2025359749","https://openalex.org/W2031969660","https://openalex.org/W2038856323","https://openalex.org/W2042631521","https://openalex.org/W2051872203","https://openalex.org/W2058409196","https://openalex.org/W2065475612","https://openalex.org/W2068069593","https://openalex.org/W2070482921","https://openalex.org/W2089564178","https://openalex.org/W2134062720","https://openalex.org/W2139060117","https://openalex.org/W2145892209","https://openalex.org/W2151204655","https://openalex.org/W2155702033","https://openalex.org/W2340605013"],"related_works":["https://openalex.org/W2008797191","https://openalex.org/W2017039405","https://openalex.org/W2038856323","https://openalex.org/W1966105187","https://openalex.org/W1966017938","https://openalex.org/W1983432533","https://openalex.org/W2160027020","https://openalex.org/W2074818912","https://openalex.org/W2125068099","https://openalex.org/W2100359677"],"abstract_inverted_index":{"A":[0],"retrospective":[1],"analysis":[2],"of":[3,10,36,56,64,115,189],"158":[4],"T1-weighted":[5,78],"and":[6,15,29,40,54,79,89,96,105,140,157,162,171,187],"T2-weighted":[7,80],"MRI":[8,117,147,165],"scans":[9],"normal":[11],"brains":[12],"at":[13,119],"0.5":[14],"1.5":[16,71,120],"Tesla":[17,72,121],"was":[18,122,181],"performed.":[19],"Signal":[20],"intensities":[21],"in":[22,76,110,132,152,159,173,191],"the":[23,51,57,70,85,97,103,113,116,130],"frontal":[24,37],"cortex,":[25,131],"caudate":[26],"nucleus,":[27],"putamen,":[28],"globus":[30],"pallidus":[31],"were":[32,44,61,82,108],"divided":[33],"by":[34],"those":[35],"white":[38,141],"matter;":[39],"these":[41],"gray/white":[42,65],"ratios":[43,81,118],"correlated":[45],"with":[46,84,93,124,151,163,169],"iron":[47,94,126],"concentration,":[48,95],"estimated":[49],"from":[50,102],"anatomical":[52],"region":[53],"age":[55,68],"patient.":[58],"Intraregional":[59],"plots":[60],"also":[62],"made":[63],"ratio":[66],"versus":[67],"for":[69,129],"scans.":[73],"The":[74,146],"changes":[75],"both":[77],"consistent":[83,123],"hypothesis":[86],"that":[87],"1/T1":[88],"1/T2":[90],"vary":[91],"linearly":[92],"corresponding":[98],"coefficients,":[99],"determined":[100],"separately":[101],"interregional":[104],"intraregional":[106],"plots,":[107],"generally":[109],"agreement.":[111],"Furthermore,":[112],"variability":[114,127],"expected":[125],"except":[128],"which":[133],"partial":[134],"volume":[135],"errors":[136],"due":[137],"to":[138,184],"sulci":[139],"matter":[142],"caused":[143],"increased":[144],"variations.":[145],"results":[148],"agreed":[149],"well":[150],"vitro":[153],"data":[154],"on":[155],"T1":[156,170],"T2":[158,172],"tissue":[160],"specimens":[161],"other":[164],"studies.":[166],"When":[167],"compared":[168],"ferritin":[174,190],"solution,":[175],"a":[176],"significant":[177],"\"tissue":[178],"relaxation":[179],"enhancement\"":[180],"found,":[182],"attributable":[183],"slower":[185],"diffusion":[186],"clustering":[188],"tissue.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
