DRUCKREY, H N-Nitroso-N-methylurethane: a potent carcinogen. [electronic resource] - Nature Sep 1962 - 1111 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/1951111a0 doi Subjects--Topical Terms: Carcinogens--toxicityHumansUrethane--analogs & derivatives