{"id":"https://openalex.org/A5111858496","orcid":null,"observed_orcids":[],"display_name":"D L Janzen","raw_author_names":["D L Janzen","D. Janzen","D. L. Janzen","D.L. Janzen","DENNIS L. JANZEN","Dennis Janzen","Dennis L Janzen","Dennis L. Janzen","Janzen DL","Janzen, D"],"full_name":"DENNIS L. JANZEN","works_count":58,"cited_by_count":3401,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":33,"i10_index":49},"ids":{"openalex":"https://openalex.org/A5111858496","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1287378978","ror":"https://ror.org/00frst980","display_name":"University of British Columbia Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1287378978","https://openalex.org/I141074466","https://openalex.org/I141945490","https://openalex.org/I2799475292"]},"years":[1997,1995,1991]},{"institution":{"id":"https://openalex.org/I129902397","ror":"https://ror.org/01e6qks80","display_name":"Dalhousie University","country_code":"CA","type":"education","lineage":["https://openalex.org/I129902397"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I141945490","ror":"https://ror.org/03rmrcq20","display_name":"University of British Columbia","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},"years":[2000,1998,1997,1996,1995,1993,1992,1991]},{"institution":{"id":"https://openalex.org/I168635309","ror":"https://ror.org/03yjb2x39","display_name":"University of Calgary","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I180670191","ror":"https://ror.org/043mz5j54","display_name":"University of California, San Francisco","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I2799475292","ror":"https://ror.org/05p83my93","display_name":"Vancouver Hospital and Health Sciences Centre","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I141074466","https://openalex.org/I2799475292"]},"years":[1999,1998,1997,1996,1995]},{"institution":{"id":"https://openalex.org/I2801249017","ror":"https://ror.org/03c75ky76","display_name":"Frimley Park Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2801249017","https://openalex.org/I2802828768"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I2801362399","ror":"https://ror.org/00wzdr059","display_name":"St. Paul's Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I2801362399"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I2802832906","ror":"https://ror.org/02zg69r60","display_name":"Vancouver General Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I141074466","https://openalex.org/I2799475292","https://openalex.org/I2802832906"]},"years":[2001,2000,1999,1998,1997,1993]},{"institution":{"id":"https://openalex.org/I4210119776","ror":"https://ror.org/02pyp8h55","display_name":"Lions Gate Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I141074466","https://openalex.org/I4210119776"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I4210132243","ror":"https://ror.org/02n73hp60","display_name":"Victoria General Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1279684262","https://openalex.org/I1308729876","https://openalex.org/I4210132243"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I4210154670","ror":"https://ror.org/05faw8a11","display_name":"Shaughnessy Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I4210154670"]},"years":[1991]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10253","display_name":"Sarcoma Diagnosis and Treatment","count":15,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10975","display_name":"Bone Tumor Diagnosis and Treatments","count":10,"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/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","count":10,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10455","display_name":"Foot and Ankle Surgery","count":9,"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/T10658","display_name":"Bone fractures and treatments","count":8,"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"}}],"topic_share":[{"id":"https://openalex.org/T12800","display_name":"Musculoskeletal synovial abnormalities and treatments","value":0.0001254,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T13363","display_name":"Soft tissue tumors and treatment","value":4.73e-05,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic 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/T10253","display_name":"Sarcoma Diagnosis and Treatment","value":4.66e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10975","display_name":"Bone Tumor Diagnosis and Treatments","value":4.31e-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/T11991","display_name":"Soft tissue tumor case studies","value":4.19e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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":0.981102466583252},{"id":"143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","score":0.7953512072563171},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.7452977299690247},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6158502697944641},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.5920250415802002}],"counts_by_year":[{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":133},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":139},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":118},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":87},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":105},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":84},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":73},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":83},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":80},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":81},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":36}],"display_name_alternatives":["D L Janzen","D. Janzen","D. L. Janzen","D.L. Janzen","DENNIS L. JANZEN","Dennis Janzen","Dennis L Janzen","Dennis L. Janzen","Janzen DL","Janzen, D"],"block_key":"d janzen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111858496","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111858496","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
