title: The viral factor in the genesis of breast cancer: present evidence.
mesh_terms: D000818:Animals; D001943:Breast Neoplasms / Q000209:etiology* / Q000473:pathology; D005455:Fluorescent Antibody Technique; D006801:Humans; D008325:Mammary Neoplasms, Experimental / Q000473:pathology; D051379:Mice; D008854:Microscopy, Electron; D008895:Milk, Human; D009858:Oncogenic Viruses; D012328:RNA Viruses; D012194:RNA-Directed DNA Polymerase; D012190:Retroviridae
chemical_list: D012194:RNA-Directed DNA Polymerase