{"id":"https://openalex.org/A5048845525","orcid":null,"observed_orcids":[],"display_name":"GR Constantine","raw_author_names":["Constantine, G. R.","G. R. Constantine","GR Constantine"],"full_name":"G. R. Constantine","works_count":12,"cited_by_count":587,"summary_stats":{"2yr_mean_citedness":2.0,"h_index":5,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5048845525","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210088145","ror":"https://ror.org/011hn1c89","display_name":"National Hospital of Sri Lanka","country_code":"LK","type":"healthcare","lineage":["https://openalex.org/I4210088145"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I90678064","ror":"https://ror.org/02phn5242","display_name":"University of Colombo","country_code":"LK","type":"education","lineage":["https://openalex.org/I90678064"]},"years":[2024,2020,2018,2017,2015,2012,2011]}],"last_known_institutions":[{"id":"https://openalex.org/I90678064","ror":"https://ror.org/02phn5242","display_name":"University of Colombo","country_code":"LK","type":"education","lineage":["https://openalex.org/I90678064"]}],"topics":[{"id":"https://openalex.org/T10144","display_name":"Blood Pressure and Hypertension Studies","count":5,"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/T10924","display_name":"Cardiovascular Health and Disease Prevention","count":5,"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/T10155","display_name":"Nitric Oxide and Endothelin Effects","count":4,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/T10790","display_name":"Heavy Metal Exposure and Toxicity","count":3,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10915","display_name":"Trace Elements in Health","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T13579","display_name":"Image and Video Stabilization","value":5.62e-05,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12280","display_name":"Magnesium in Health and Disease","value":2.35e-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/T10924","display_name":"Cardiovascular Health and Disease Prevention","value":1.78e-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/T10915","display_name":"Trace Elements in Health","value":1.3e-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/T10155","display_name":"Nitric Oxide and Endothelin Effects","value":1.27e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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":0.9891999959945679},{"id":"27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","score":0.7398539781570435},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6316038370132446},{"id":"134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","score":0.37038642168045044},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.09688904881477356}],"counts_by_year":[{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":345},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":202},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":7},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":13},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":2}],"display_name_alternatives":["Constantine, G. R.","G. R. Constantine","GR Constantine"],"block_key":"g constantine","works_api_url":"https://api.openalex.org/works?filter=author.id:A5048845525","updated_date":"2026-10-13T12:33:52","created_date":"2025-10-10T00:00:00"}