Textbook of human genetics / edited by G. R. Fraser and O. Mayo. Fraser, George Robert. Mayo, Oliver. Human genetics. QH431 .T43 613.9 FRT Distributed in the U.S. by J. B. Lippincott Co., Philadelphia. Includes bibliographies and indexes. Oxford : Blackwell Scientific, c1975. c1975. 1975 Text iv, 524 p. : eng