title: [Classifications of megakaryopoietic cells on plastic semithin sections: effects of pregnancy and estrogen administration on megakaryopoiesis].
mesh_terms: D000818:Animals; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006410:Hematopoiesis / Q000187:drug effects*; D008533:Megakaryocytes / Q000145:classification* / Q000166:cytology; D051379:Mice; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*
chemical_list: D004967:Estrogens