{"id":"https://openalex.org/A5110179308","orcid":null,"observed_orcids":[],"display_name":"Joerg C. Kalff","raw_author_names":["J C Kalff","J KALFF","J Kalff","J. C Kalff","J. C. Kalff","J. Kalff","J.C Kalff","J.C. Kalff","J.\u00a0C.\u00a0Kalff","Joerg C Kalff","Joerg C. Kalff","Joerg Kalff","Kalff, Joerg C","Kalff, Joerg C."],"full_name":"Joerg C. Kalff","works_count":119,"cited_by_count":1428,"summary_stats":{"2yr_mean_citedness":1.6666666666666667,"h_index":20,"i10_index":36},"ids":{"openalex":"https://openalex.org/A5110179308","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I135140700","ror":"https://ror.org/041nas322","display_name":"University of Bonn","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]},"years":[2019,2018,2017,2015,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1998,1997]},{"institution":{"id":"https://openalex.org/I170201317","ror":"https://ror.org/01an3r305","display_name":"University of Pittsburgh","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]},"years":[2000,1999,1998]},{"institution":{"id":"https://openalex.org/I2799391451","ror":"https://ror.org/01xnwqx93","display_name":"University Hospital Bonn","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2799391451"]},"years":[2025,2024,2023,2022,2021,2020,2019,2018,2016,2015,2014,2013,2012,2011,2010,2008,2007,2006,2004]},{"institution":{"id":"https://openalex.org/I4210128526","ror":"https://ror.org/03bw34a45","display_name":"UPMC Hillman Cancer Center","country_code":"US","type":"facility","lineage":["https://openalex.org/I170201317","https://openalex.org/I4210128526"]},"years":[1999,1998]},{"institution":{"id":"https://openalex.org/I4210134769","ror":"https://ror.org/04ehecz88","display_name":"University of Pittsburgh Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814","https://openalex.org/I4210134769"]},"years":[1999,1998]},{"institution":{"id":"https://openalex.org/I4210153755","ror":"https://ror.org/05mxhda18","display_name":"University Hospital Cologne","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210153755"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I9341345","ror":"https://ror.org/00t3r8h32","display_name":"University of L\u00fcbeck","country_code":"DE","type":"education","lineage":["https://openalex.org/I9341345"]},"years":[1997]}],"last_known_institutions":[{"id":"https://openalex.org/I2799391451","ror":"https://ror.org/01xnwqx93","display_name":"University Hospital Bonn","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2799391451"]}],"topics":[{"id":"https://openalex.org/T10365","display_name":"Gastrointestinal motility and disorders","count":44,"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/T12020","display_name":"Enhanced Recovery After Surgery","count":36,"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/T12089","display_name":"Intestinal and Peritoneal Adhesions","count":27,"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/T10999","display_name":"Organ Transplantation Techniques and Outcomes","count":20,"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/T11189","display_name":"Transplantation: Methods and Outcomes","count":19,"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/T12089","display_name":"Intestinal and Peritoneal Adhesions","value":0.0002686,"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/T12020","display_name":"Enhanced Recovery After Surgery","value":0.0002097,"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/T10365","display_name":"Gastrointestinal motility and disorders","value":9.07e-05,"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/T12580","display_name":"Vagus Nerve Stimulation Research","value":8.35e-05,"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/T10999","display_name":"Organ Transplantation Techniques and Outcomes","value":6.89e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9889195561408997},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7646313309669495},{"id":"2776914184","wikidata":"https://www.wikidata.org/wiki/Q101991","display_name":"Inflammation","score":0.7334214448928833},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6891809701919556},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.5223609209060669}],"counts_by_year":[{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"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":4,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":10,"oa_works_count":2,"cited_by_count":43},{"year":2013,"works_count":6,"oa_works_count":2,"cited_by_count":40},{"year":2014,"works_count":3,"oa_works_count":1,"cited_by_count":58},{"year":2015,"works_count":12,"oa_works_count":1,"cited_by_count":69},{"year":2016,"works_count":3,"oa_works_count":2,"cited_by_count":74},{"year":2017,"works_count":9,"oa_works_count":2,"cited_by_count":95},{"year":2018,"works_count":4,"oa_works_count":2,"cited_by_count":74},{"year":2019,"works_count":4,"oa_works_count":0,"cited_by_count":83},{"year":2020,"works_count":3,"oa_works_count":2,"cited_by_count":90},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":149},{"year":2022,"works_count":2,"oa_works_count":1,"cited_by_count":79},{"year":2023,"works_count":2,"oa_works_count":1,"cited_by_count":94},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":138},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":97},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":99}],"display_name_alternatives":["J C Kalff","J KALFF","J Kalff","J. C Kalff","J. C. Kalff","J. Kalff","J.C Kalff","J.C. Kalff","J.\u00a0C.\u00a0Kalff","Joerg C Kalff","Joerg C. Kalff","Joerg Kalff","Kalff, Joerg C","Kalff, Joerg C."],"block_key":"j kalff","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110179308","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}