{"id":"https://openalex.org/A5111401170","orcid":"https://orcid.org/0000-0002-9830-3303","observed_orcids":["https://orcid.org/0000-0002-9830-3303"],"display_name":"Navroop Singh Johal","raw_author_names":["Johal Navroop","N Johal","N. Johal","N. S. Johal","N.S. Johal","NS Johal","Nav Johal","Nav S. Johal","Navroop Johal","Navroop S Johal","Navroop S. Johal","Navroop Singh Johal","Navroop, Johal"],"full_name":"Navroop Singh Johal","works_count":91,"cited_by_count":1138,"summary_stats":{"2yr_mean_citedness":1.2,"h_index":18,"i10_index":24},"ids":{"openalex":"https://openalex.org/A5111401170","orcid":"https://orcid.org/0000-0002-9830-3303","observed_orcids":["https://orcid.org/0000-0002-9830-3303"]},"affiliations":[{"institution":{"id":"https://openalex.org/I125671874","ror":"https://ror.org/02wnqcb97","display_name":"National Health Service","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I125671874","https://openalex.org/I1311074006"]},"years":[2014,2009]},{"institution":{"id":"https://openalex.org/I1289784979","ror":"https://ror.org/00wrevg56","display_name":"University College Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1289784979","https://openalex.org/I1340918713"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I1325846038","ror":"https://ror.org/0008wzh48","display_name":"Royal Marsden NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1325846038"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I2799869770","ror":"https://ror.org/02gd18467","display_name":"Chelsea and Westminster Hospital NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799869770"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I2800129641","ror":"https://ror.org/00zn2c847","display_name":"Great Ormond Street Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2800129641","https://openalex.org/I2800349819"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2012,2009,2008,2007,2006,2005,2004]},{"institution":{"id":"https://openalex.org/I2800349819","ror":"https://ror.org/03zydm450","display_name":"Great Ormond Street Hospital for Children NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2800349819"]},"years":[2025,2024,2021,2020,2017,2016,2015,2014,2009,2007]},{"institution":{"id":"https://openalex.org/I2802336932","ror":"https://ror.org/02s4j2a36","display_name":"Conquest Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802336932","https://openalex.org/I4210136757"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I2802965805","ror":"https://ror.org/0485axj58","display_name":"University Hospital Southampton NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802965805"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I4210118929","ror":"https://ror.org/029d98p07","display_name":"Southampton Children's Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802965805","https://openalex.org/I4210118929"]},"years":[2017,2016]},{"institution":{"id":"https://openalex.org/I4210121186","ror":"https://ror.org/034vb5t35","display_name":"Royal Marsden Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1325846038","https://openalex.org/I4210121186"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210136304","ror":"https://ror.org/038zxea36","display_name":"Chelsea and Westminster Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799869770","https://openalex.org/I4210136304"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I4210156194","ror":"https://ror.org/055vbxf86","display_name":"Addenbrooke's Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I45129253","ror":"https://ror.org/02jx3x895","display_name":"University College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]},"years":[2025,2022,2020,2014,2012]}],"last_known_institutions":[{"id":"https://openalex.org/I2800129641","ror":"https://ror.org/00zn2c847","display_name":"Great Ormond Street Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2800129641","https://openalex.org/I2800349819"]}],"topics":[{"id":"https://openalex.org/T11815","display_name":"Urological Disorders and Treatments","count":50,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11174","display_name":"Pediatric Urology and Nephrology Studies","count":39,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T10279","display_name":"Urinary Bladder and Prostate Research","count":26,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T12716","display_name":"Congenital Anomalies and Fetal Surgery","count":21,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T11833","display_name":"Spinal Dysraphism and Malformations","count":7,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11174","display_name":"Pediatric Urology and Nephrology Studies","value":0.0001902,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T11815","display_name":"Urological Disorders and Treatments","value":0.00015,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T12716","display_name":"Congenital Anomalies and Fetal Surgery","value":0.0001357,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10279","display_name":"Urinary Bladder and Prostate Research","value":5.58e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11833","display_name":"Spinal Dysraphism and Malformations","value":5.39e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9897868037223816},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7669157981872559},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7085307836532593},{"id":"61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","score":0.5262526869773865},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.45059311389923096}],"counts_by_year":[{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":10,"oa_works_count":4,"cited_by_count":0},{"year":2006,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":1,"cited_by_count":42},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":42},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":15},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":39},{"year":2016,"works_count":6,"oa_works_count":2,"cited_by_count":24},{"year":2017,"works_count":6,"oa_works_count":4,"cited_by_count":51},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":63},{"year":2019,"works_count":3,"oa_works_count":0,"cited_by_count":89},{"year":2020,"works_count":7,"oa_works_count":5,"cited_by_count":112},{"year":2021,"works_count":4,"oa_works_count":2,"cited_by_count":170},{"year":2022,"works_count":3,"oa_works_count":1,"cited_by_count":71},{"year":2023,"works_count":3,"oa_works_count":1,"cited_by_count":92},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":87},{"year":2025,"works_count":6,"oa_works_count":2,"cited_by_count":73},{"year":2026,"works_count":6,"oa_works_count":2,"cited_by_count":62}],"display_name_alternatives":["Johal Navroop","N Johal","N. Johal","N. S. Johal","N.S. Johal","NS Johal","Nav Johal","Nav S. Johal","Navroop Johal","Navroop S Johal","Navroop S. Johal","Navroop Singh Johal","Navroop, Johal"],"block_key":"n johal","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111401170","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}