title: C-type viral antigen expression in human placenta.
mesh_terms: D000956:Antigens, Viral; D002458:Cell Fractionation; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D007106:Immune Sera; D066298:In Vitro Techniques; D010920:Placenta / Q000276:immunology*; D011247:Pregnancy; D012190:Retroviridae / Q000276:immunology*
chemical_list: D000956:Antigens, Viral; D007106:Immune Sera