title: PROFESSOR JAN SULA SIXTY YEARS OLD.
mesh_terms: D002273:Carcinogens; D003604:Czechoslovakia; D049673:History, 20th Century; D009369:Neoplasms / Q000209:etiology*; D012106:Research
chemical_list: D002273:Carcinogens
keywords: BIOGRAPHIES; CARCINOGENS; CZECHOSLOVAKIA; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; NEOPLASM ETIOLOGY; RESEARCH