title: [THEORY CONCERNING THE ETIOLOGY OF CANCER. (PRELIMINARY NOTE)].
mesh_terms: D004044:Dietary Proteins; D006801:Humans; D006851:Hydrochloric Acid; D006859:Hydrogen; D007501:Iron; D008660:Metabolism; D009369:Neoplasms / Q000209:etiology*; D013440:Sulfides
chemical_list: D004044:Dietary Proteins; D013440:Sulfides; D006859:Hydrogen; D007501:Iron; D006851:Hydrochloric Acid
keywords: DIETARY PROTEINS; HYDROCHLORIC ACID; HYDROGEN; IRON; METABOLISM; NEOPLASM ETIOLOGY; SULFIDES
vernacular_title: HIP'OTESES S OBRE A ETIOLOGIA DO C ANCER. (NOTA PR'EVIA)