Moore, Keith L., author. Before we are born : essentials of embryology and birth defects / Keith L. Moore ; T.V.N. Persaud & Mark G. Torchia. - Ninth edition. - Philadelphia : Elsevier, 2016. - xix, 361 pages : illustrations (some colour) ; 28 cm. Includes Index. Includes bibliographical references. ISBN: 9780323313377 (paperback) Subjects--Topical Terms: Embryonic Development.Congenital Abnormalities.Embryology--methods.Fetal Development.