title: [Preformation and epigenesis: the theories of Prévost and Dumas].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004626:Embryology / Q000266:history*; D005602:France; D049672:History, 19th Century
vernacular_title: Fra preformismo e epigenesi: le teorie di Prévost e Dumas.