{"id":"https://openalex.org/A5111411701","orcid":null,"observed_orcids":[],"display_name":"Massimo Giovanni Lemma","raw_author_names":["Lemma Massimo Giovanni","M LEMMA","M Lemma","M. G. Lemma","M. Lemma","M.G. Lemma","MASSIMO LEMMA","Massimo G. LEMMA","Massimo G. Lemma","Massimo Giovanni Lemma","Massimo Lemma"],"full_name":"Massimo Giovanni Lemma","works_count":83,"cited_by_count":1200,"summary_stats":{"2yr_mean_citedness":10.0,"h_index":20,"i10_index":29},"ids":{"openalex":"https://openalex.org/A5111411701","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I161370692","ror":"https://ror.org/01rsgrz10","display_name":"Sanjay Gandhi Post Graduate Institute of Medical Sciences","country_code":"IN","type":"facility","lineage":["https://openalex.org/I161370692"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I189158943","ror":"https://ror.org/00wjc7c48","display_name":"University of Milan","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},"years":[2020,2013,2012,2010,2008]},{"institution":{"id":"https://openalex.org/I4210087773","ror":"https://ror.org/0025g8755","display_name":"Luigi Sacco Hospital","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210087773","https://openalex.org/I4210156709"]},"years":[2016,2015,2014,2013,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,1997,1996,1995,1994,1992,1991,1990,1989]},{"institution":{"id":"https://openalex.org/I4210116940","ror":"https://ror.org/02e3ssq97","display_name":"Don Carlo Gnocchi Foundation","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210116940"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I93860229","ror":"https://ror.org/01nffqt88","display_name":"Politecnico di Milano","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]},"years":[2012,2011]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","count":39,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":31,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10193","display_name":"Coronary Interventions and Diagnostics","count":31,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10372","display_name":"Cardiac Imaging and Diagnostics","count":28,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10618","display_name":"Aortic Disease and Treatment Approaches","count":23,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","value":0.000138,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","value":9.83e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T12598","display_name":"Cardiac Structural Anomalies and Repair","value":9.42e-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"}},{"id":"https://openalex.org/T10618","display_name":"Aortic Disease and Treatment Approaches","value":8.15e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10193","display_name":"Coronary Interventions and Diagnostics","value":7.47e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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":0.9829559326171875},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8630797266960144},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8308306932449341},{"id":"2776820930","wikidata":"https://www.wikidata.org/wiki/Q9655","display_name":"Artery","score":0.7240524291992188},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6592757701873779}],"counts_by_year":[{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":1,"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":1997,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":49},{"year":2013,"works_count":5,"oa_works_count":4,"cited_by_count":63},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":74},{"year":2015,"works_count":2,"oa_works_count":1,"cited_by_count":52},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":69},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":61},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":67},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":57},{"year":2020,"works_count":7,"oa_works_count":2,"cited_by_count":71},{"year":2021,"works_count":2,"oa_works_count":1,"cited_by_count":66},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":55},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":49},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":54},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":43}],"display_name_alternatives":["Lemma Massimo Giovanni","M LEMMA","M Lemma","M. G. Lemma","M. Lemma","M.G. Lemma","MASSIMO LEMMA","Massimo G. LEMMA","Massimo G. Lemma","Massimo Giovanni Lemma","Massimo Lemma"],"block_key":"m lemma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111411701","awards_count":2,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111411701","updated_date":"2026-11-11T13:02:13","created_date":"2016-06-24T00:00:00"}
