Moore, Keith L. Before we are born : essentials of embryology and birth defects / Keith L. Moore, T.V.N. Persaud - 6th ed. - Philadelphia : Saunders, 2003 - 448 p. : ill ISBN: 072169408x Subjects--Topical Terms: Embryology, HumanAbnormalities, Human LC Class. No.: QM601 / M821 B4 2003