{"id":"https://openalex.org/A5108346366","orcid":null,"observed_orcids":[],"display_name":"John A. Penner","raw_author_names":["J A Penner","JOHN A. PENNER","John A Penner","John A. Penner","John Penner","Penner, John A."],"full_name":"JOHN A. PENNER","works_count":62,"cited_by_count":1033,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":17,"i10_index":25},"ids":{"openalex":"https://openalex.org/A5108346366","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I27837315","ror":"https://ror.org/00jmfr291","display_name":"University of Michigan","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},"years":[2008,1987,1983,1981,1980,1979,1977,1976,1975,1974,1973,1972,1970,1969,1966,1964,1963]},{"institution":{"id":"https://openalex.org/I4210114445","ror":"https://ror.org/01zcpa714","display_name":"Michigan Medicine","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]},"years":[2008,1976,1975,1974,1972,1969]},{"institution":{"id":"https://openalex.org/I87216513","ror":"https://ror.org/05hs6h993","display_name":"Michigan State University","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]},"years":[2008,2003,2001,1999,1998,1993,1992,1987,1986,1985,1983,1981]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10746","display_name":"Platelet Disorders and Treatments","count":28,"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"}},{"id":"https://openalex.org/T10881","display_name":"Blood Coagulation and Thrombosis Mechanisms","count":28,"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"}},{"id":"https://openalex.org/T11280","display_name":"Hemophilia Treatment and Research","count":13,"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"}},{"id":"https://openalex.org/T11721","display_name":"Blood properties and coagulation","count":12,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10693","display_name":"Blood transfusion and management","count":9,"subfield":{"id":"https://openalex.org/subfields/2704","display_name":"Biochemistry"},"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/T12352","display_name":"Heparin-Induced Thrombocytopenia and Thrombosis","value":0.0002456,"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/T11280","display_name":"Hemophilia Treatment and Research","value":0.0001356,"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"}},{"id":"https://openalex.org/T10746","display_name":"Platelet Disorders and Treatments","value":9.31e-05,"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"}},{"id":"https://openalex.org/T10881","display_name":"Blood Coagulation and Thrombosis Mechanisms","value":6.15e-05,"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"}},{"id":"https://openalex.org/T11721","display_name":"Blood properties and coagulation","value":5.04e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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":0.9872912168502808},{"id":"89560881","wikidata":"https://www.wikidata.org/wiki/Q101026","display_name":"Platelet","score":0.8049856424331665},{"id":"2778382381","wikidata":"https://www.wikidata.org/wiki/Q179217","display_name":"Coagulation","score":0.6541147232055664},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.571954071521759},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5410292744636536}],"counts_by_year":[{"year":1954,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1956,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1963,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1964,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1966,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1979,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":17},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["J A Penner","JOHN A. PENNER","John A Penner","John A. Penner","John Penner","Penner, John A."],"block_key":"j penner","works_api_url":"https://api.openalex.org/works?filter=author.id:A5108346366","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}