title: Letter: The pineal and neoplasia.
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic / Q000187:drug effects; D006224:Cricetinae; D007942:Leukemia, Experimental / Q000473:pathology; D008550:Melatonin / Q000494:pharmacology / Q000627:therapeutic use*; D051379:Mice; D008807:Mice, Inbred BALB C; D009369:Neoplasms / Q000188:drug therapy* / Q000473:pathology; D009374:Neoplasms, Experimental / Q000188:drug therapy / Q000473:pathology; D010870:Pineal Gland / Q000378:metabolism / Q000601:surgery; D014020:Tissue Extracts / Q000494:pharmacology
chemical_list: D014020:Tissue Extracts; D008550:Melatonin