title: Retrospection and prognostication: ontogeny of a discipline.
authors.affiliation: Department of Anatomy, Dartmouth Medical School, Hanover, New Hampshire 03756.
authors.forename: F J
authors.initials: FJ
authors.lastname: Manasek
mesh_terms: D000818:Animals; D006321:Heart / Q000196:embryology* / Q000254:growth & development; D008954:Models, Biological