Larsen, William J. Human embryology / William J. Larsen. - 3rd ed. - Philadelphia: Churchill Livingstone, 2001. - xx, 548 p.: ill.; 26 cm. Includes bibliographical references and index. ISBN: 100443065837 Subjects--Topical Terms: Embryology, Human. National Library of Medicine Call No.: QS604 / L329h 2001