Patten, Bradley M. 1889-1971. Human embryology / Bradley M. Patten - 2nd ed. - New York : McGRAW-Hall , 1953 - xvii, 798 p. : ill. ; 26 cm. Includes Bibliography and Indexes Subjects--Topical Terms: Embryology, Human. Dewey Class. No.: 612.646 / PAH 1953