Smith, George F. Down's anomaly / - 2d ed. - Edinburgh ; New York : New York : Churchill Livingstone ; distributed in the U.S.A. by Longman, 1976, c1975. - ix, 348 p. : ill. ; First ed. by L. S. Penrose and G. F. Smith. Includes index. ISBN: 0443013985 : Subjects--Topical Terms: Down syndrome. LC Class. No.: MED RC571 / .P4 1976