title: Detection of an antigen related to Mason-Pfizer virus in malignant human breast tumors.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D001943:Breast Neoplasms / Q000276:immunology / Q000382:microbiology*; D005260:Female; D000882:Haplorhini / Q000382:microbiology; D006801:Humans; D009858:Oncogenic Viruses / Q000276:immunology*; D012328:RNA Viruses / Q000276:immunology*
chemical_list: D000956:Antigens, Viral