title: Which are the leading countries in clinical medicine research? A citation analysis (1981-1998).
authors.forename: G A
authors.initials: GA
authors.lastname: Fava
authors.forename: F
authors.initials: F
authors.lastname: Ottolini
authors.forename: N
authors.initials: N
authors.lastname: Sonino
mesh_terms: D001208:Asia; D015706:Bibliometrics; D015510:Clinical Medicine; D016208:Databases, Factual; D005062:European Union; D006801:Humans; D007843:Latin America; D012106:Research / Q000592:standards / Q000706:statistics & numerical data*; D014481:United States