title: Type D retroviruses: occurrence of natural antibodies to Mason-Pfizer monkey virus in rhesus monkeys.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D000956:Antigens, Viral; D000939:Epitopes; D000882:Haplorhini; D008251:Macaca / Q000276:immunology*; D008253:Macaca mulatta / Q000276:immunology*; D012190:Retroviridae / Q000276:immunology*; D014764:Viral Proteins / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D000939:Epitopes; D014764:Viral Proteins