title: [Summation toxins. On the evidence problem of the pharmacology of cancer-inducing substances in the 1950's].
authors.affiliation: Abteilung für Pharmazie- und Wissenschaftsgeschichte, Technische Universität Braunschweig. heikostoff@aol.com
authors.forename: Heiko
authors.initials: H
authors.lastname: Stoff
mesh_terms: D002274:Carcinogens, Environmental / Q000266:history*; D019317:Evidence-Based Medicine / Q000266:history*; D005503:Food Additives / Q000266:history*; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000266:history*; D014116:Toxicology / Q000266:history*
chemical_list: D002274:Carcinogens, Environmental; D005503:Food Additives