Gasser, Raymond F. Atlas of human embryos / Raymond F. Gasser - Harper & Row, Hagerstown, Md. : Medical Dept., 1975 - ix , 317 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 0061408700 Subjects--Topical Terms: Human embryo--Atlases National Library of Medicine Call No.: QS617