title: The etiology of breast cancer.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis; D001940:Breast / Q000382:microbiology; D001943:Breast Neoplasms / Q000209:etiology* / Q000382:microbiology; D002478:Cells, Cultured; D004847:Epithelial Cells; D004848:Epithelium / Q000382:microbiology; D005260:Female; D006801:Humans; D008325:Mammary Neoplasms, Experimental / Q000209:etiology; D008324:Mammary Tumor Virus, Mouse; D051379:Mice; D008895:Milk, Human / Q000382:microbiology; D009858:Oncogenic Viruses / Q000276:immunology / Q000302:isolation & purification
chemical_list: D000956:Antigens, Viral