title: Additional evidence of type-C particles in human placentas.
mesh_terms: D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D010920:Placenta / Q000382:microbiology*; D011247:Pregnancy; D012190:Retroviridae / Q000302:isolation & purification*; D014327:Trophoblasts / Q000382:microbiology