{"id":"https://openalex.org/A5110047699","orcid":null,"observed_orcids":[],"display_name":"K. J. Hengels","raw_author_names":["K Hengels","K J Hengels","K. -J. Hengels","K. Hengels","K. J. HENGELS","K. J. Hengels","K.-J. Hengels","K.J. Hengels","Klaus-J\u00fcrgen Hengels","Klaus-J\ufffdrgen Hengels","Klaus\u2010J\u00fcrgen Hengels"],"full_name":"Klaus-J\u00fcrgen Hengels","works_count":81,"cited_by_count":1049,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":17,"i10_index":25},"ids":{"openalex":"https://openalex.org/A5110047699","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":[1990]},{"institution":{"id":"https://openalex.org/I2802768257","ror":"https://ror.org/034nkkr84","display_name":"Robert Bosch Hospital","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2802101015","https://openalex.org/I2802768257","https://openalex.org/I4403386655"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I4210089242","ror":"https://ror.org/006k2kk72","display_name":"D\u00fcsseldorf University Hospital","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210089242"]},"years":[2008,1995,1991,1989,1984,1980,1979,1975,1973]},{"institution":{"id":"https://openalex.org/I4210089630","ror":"https://ror.org/008xb1b94","display_name":"Elisabeth-Krankenhaus Essen","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210089630"]},"years":[1990]},{"institution":{"id":"https://openalex.org/I4210096340","ror":"https://ror.org/00qkegp41","display_name":"cts CaritasKlinikum Saarbr\u00fccken","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210096340"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I44260953","ror":"https://ror.org/024z2rq82","display_name":"Heinrich Heine University D\u00fcsseldorf","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]},"years":[2009,2008,1997,1994,1993,1992,1991,1990,1989,1984,1980,1979,1975,1973]},{"institution":{"id":"https://openalex.org/I8204097","ror":"https://ror.org/05591te55","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I904495901","ror":"https://ror.org/04tsk2644","display_name":"Ruhr University Bochum","country_code":"DE","type":"education","lineage":["https://openalex.org/I904495901"]},"years":[1994]}],"last_known_institutions":[{"id":"https://openalex.org/I44260953","ror":"https://ror.org/024z2rq82","display_name":"Heinrich Heine University D\u00fcsseldorf","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"topics":[{"id":"https://openalex.org/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":41,"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","count":22,"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/T10365","display_name":"Gastrointestinal motility and disorders","count":21,"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/T10134","display_name":"Inflammatory Bowel Disease","count":11,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10671","display_name":"Gastroesophageal reflux and treatments","count":11,"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"}}],"topic_share":[{"id":"https://openalex.org/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","value":0.0001198,"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/T10671","display_name":"Gastroesophageal reflux and treatments","value":5.98e-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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","value":5.87e-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/T13199","display_name":"Digestive system and related health","value":5.32e-05,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10365","display_name":"Gastrointestinal motility and disorders","value":4.15e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9547899961471558},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8256015181541443},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.7284032106399536},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.6288914084434509},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.47482070326805115}],"counts_by_year":[{"year":1973,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"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":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":1994,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1995,"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":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["K Hengels","K J Hengels","K. -J. Hengels","K. Hengels","K. J. HENGELS","K. J. Hengels","K.-J. Hengels","K.J. Hengels","Klaus-J\u00fcrgen Hengels","Klaus-J\ufffdrgen Hengels","Klaus\u2010J\u00fcrgen Hengels"],"block_key":"k hengels","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110047699","updated_date":"2026-10-29T12:27:34","created_date":"2016-06-24T00:00:00"}
