title: Preface.
authors.affiliation: Department of Embryology, Carnegie Institution of Washington, 115 West University Parkway, Baltimore, MD 21210, USA.
authors.forename: Marnie
authors.initials: M
authors.lastname: Halpern
mesh_terms: D000818:Animals; D009990:Oryzias / Q000196:embryology* / Q000235:genetics