title: Trends in carcinogenesis and experimental pathology. In honorem Professor Olav Hilmar Iversen 1923-1988.
mesh_terms: D000818:Animals; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000139:chemically induced*; D009374:Neoplasms, Experimental / Q000139:chemically induced*; D009664:Norway