title: Electron microscopic study on the trophoblastic cell column of human placenta.
mesh_terms: D000906:Antibodies; D001345:Autoradiography; D006063:Chorionic Gonadotropin / Q000032:analysis; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D010544:Peroxidases; D010920:Placenta / Q000166:cytology*; D011247:Pregnancy; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014327:Trophoblasts / Q000166:cytology*
chemical_list: D000906:Antibodies; D006063:Chorionic Gonadotropin; D014316:Tritium; D010544:Peroxidases; D013936:Thymidine