{"id":"https://openalex.org/A5113984082","orcid":null,"observed_orcids":[],"display_name":"H. J. Friedrich","raw_author_names":["Friedrich, H. J.","Friedrich, H.-J.","H J Friedrich","H. -J. Friedrich","H. J. Friedrich","H.-J. Friedrich","H.J. Friedrich","H.\u2010J. Friedrich"],"full_name":"H. -J. Friedrich","works_count":21,"cited_by_count":807,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5113984082","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114027177","ror":"https://ror.org/0130frc33","display_name":"University of North Carolina at Chapel Hill","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]},"years":[1999]},{"institution":{"id":"https://openalex.org/I200763008","ror":"https://ror.org/033eqas34","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","country_code":"DE","type":"education","lineage":["https://openalex.org/I200763008"]},"years":[2010,1991,1975]},{"institution":{"id":"https://openalex.org/I2799884508","ror":"https://ror.org/00gpmb873","display_name":"Kantonsspital St. Gallen","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2799884508"]},"years":[1992]},{"institution":{"id":"https://openalex.org/I74656192","ror":"https://ror.org/01y9bpm73","display_name":"University of G\u00f6ttingen","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]},"years":[1986]},{"institution":{"id":"https://openalex.org/I75951250","ror":"https://ror.org/046ak2485","display_name":"Freie Universit\u00e4t Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]},"years":[1999]},{"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":[1992]},{"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":[2002,2001,1999,1998,1995,1994,1992,1991,1986,1984]}],"last_known_institutions":[{"id":"https://openalex.org/I200763008","ror":"https://ror.org/033eqas34","display_name":"Justus-Liebig-Universit\u00e4t Gie\u00dfen","country_code":"DE","type":"education","lineage":["https://openalex.org/I200763008"]}],"topics":[{"id":"https://openalex.org/T10279","display_name":"Urinary Bladder and Prostate Research","count":3,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T10009","display_name":"Dementia and Cognitive Impairment Research","count":2,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","count":2,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10293","display_name":"Thyroid Disorders and Treatments","count":2,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10428","display_name":"Reproductive tract infections research","count":2,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12211","display_name":"Aluminum toxicity and tolerance in plants and animals","value":7.04e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","value":2.43e-05,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13039","display_name":"Magnesium Oxide Properties and Applications","value":2.36e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12866","display_name":"Urologic and reproductive health conditions","value":1.64e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11923","display_name":"Mine drainage and remediation techniques","value":1.58e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9784146547317505},{"id":"29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","score":0.6780476570129395},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6653873920440674},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.530383288860321},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.29715994000434875}],"counts_by_year":[{"year":1975,"works_count":1,"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":1,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"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":16},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":7}],"display_name_alternatives":["Friedrich, H. J.","Friedrich, H.-J.","H J Friedrich","H. -J. Friedrich","H. J. Friedrich","H.-J. Friedrich","H.J. Friedrich","H.\u2010J. Friedrich"],"block_key":"h friedrich","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113984082","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
