title: On rats' umbilical blood vessels ultrastructure following administration of progesterone during pregnancy.
authors.forename: M
authors.initials: M
authors.lastname: Hristova
authors.forename: E
authors.initials: E
authors.lastname: Kuneva
mesh_terms: D000818:Animals; D005260:Female; D008854:Microscopy, Electron; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D014469:Umbilical Arteries / Q000187:drug effects* / Q000648:ultrastructure; D014471:Umbilical Veins / Q000187:drug effects* / Q000648:ultrastructure
chemical_list: D011374:Progesterone