title: Letter: Electron microscopic study on the surface-coat of the human placental trophoblast.
mesh_terms: D002462:Cell Membrane / Q000648:ultrastructure; D005260:Female; D006801:Humans; D009088:Mucoproteins / Q000032:analysis; D011247:Pregnancy; D012430:Ruthenium Red; D014327:Trophoblasts / Q000648:ultrastructure*
chemical_list: D009088:Mucoproteins; D012430:Ruthenium Red