title: [The closing ring of mature human placentas].
mesh_terms: D003656:Decidua / Q000648:ultrastructure; D005260:Female; D006801:Humans; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy; D014327:Trophoblasts / Q000648:ultrastructure
vernacular_title: Uber den Schlussring reifer menschlicher Planzenten