title: [First-trimester placenta: ultrastructural bases of the development of the trophoblast].
mesh_terms: D005260:Female; D006801:Humans; D010920:Placenta / Q000378:metabolism / Q000648:ultrastructure*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014327:Trophoblasts / Q000648:ultrastructure*
vernacular_title: La placenta del primo trimestre. Le basi ultrastrutturali dell'evoluzione del trofoblasto.