title: A nose for the embryo: the work of Pieter Nieuwkoop.
authors.affiliation: Howard Hughes Medical Institute, University of California, Los Angeles 90095-1662, USA. derobert@hhmi.ucla.edu
authors.forename: E M
authors.initials: EM
authors.lastname: De Robertis
mesh_terms: D000818:Animals; D004626:Embryology / Q000266:history; D049673:History, 20th Century