Langman, Jan Medical embryology : human development-normal and abnormal / Jan Langman - 3d ed. - Baltimore : Williams & Wilkins, 1975 - 495 p. : ill.b ; 24 cm. ISBN: 0683048864 Subjects--Topical Terms: Embryology, HumanAbnormalities, Human National Library of Medicine Call No.: QS604 / .L284m 1981