{"id":"https://openalex.org/A5086567084","orcid":null,"observed_orcids":[],"display_name":"Jaap P. Snellen","raw_author_names":["J.P. Snellen","Jaap P Snellen","Jaap P. Snellen"],"full_name":"Jaap P. Snellen","works_count":6,"cited_by_count":490,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5086567084","orcid":null,"observed_orcids":[]},"affiliations":[],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10658","display_name":"Bone fractures and treatments","count":2,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T11509","display_name":"Hip and Femur Fractures","count":2,"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/T10084","display_name":"Musculoskeletal pain and rehabilitation","count":1,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":1,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10630","display_name":"Orthopedic Surgery and Rehabilitation","count":1,"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"}}],"topic_share":[{"id":"https://openalex.org/T11586","display_name":"Congenital Diaphragmatic Hernia Studies","value":1.89e-05,"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/T12411","display_name":"Shoulder and Clavicle Injuries","value":1.67e-05,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T11509","display_name":"Hip and Femur Fractures","value":1.54e-05,"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/T12453","display_name":"Infectious Aortic and Vascular Conditions","value":1.35e-05,"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/T12830","display_name":"Pectus Deformity Diagnosis and Treatment","value":1.23e-05,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9797178506851196},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.728813886642456},{"id":"2780660378","wikidata":"https://www.wikidata.org/wiki/Q1667915","display_name":"Internal fixation","score":0.6746599078178406},{"id":"2776541429","wikidata":"https://www.wikidata.org/wiki/Q165328","display_name":"Osteoporosis","score":0.3423190116882324},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.26385366916656494}],"counts_by_year":[{"year":1984,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":14},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":49},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":38}],"display_name_alternatives":["J.P. Snellen","Jaap P Snellen","Jaap P. Snellen"],"block_key":"j snellen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5086567084","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5086567084","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}