Roberts, John Alexander Fraser, An introduction to medical genetics / J. A. Fraser Roberts and Marcus E. Pembrey. - 7th ed. - Oxford ; New York : Oxford University Press, 1978. - xviii, 324 p. : ill. ; 24 cm. - Oxford medical publications . Includes indexes. Bibliography: p. 311-315. ISBN: 0194423468 Subjects--Topical Terms: Medical genetics.Genetics. Dewey Class. No.: 616/.042