title: Viral particles in human breast cancer.
mesh_terms: D000818:Animals; D001943:Breast Neoplasms / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008324:Mammary Tumor Virus, Mouse; D009858:Oncogenic Viruses / Q000302:isolation & purification*