[Electron microscopic study on immature and mature human placenta].
D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy
Elektronenmikroskopische Untersuchung junger und reifer menschlicher Placenten.