Valentine, G. H. 1919- The chromosome disorders : an introduction for clinicians / G. H. Valentine. - 4th ed. - London : William Heinmann Medical Books, 1986. - xii, 223 p. : ill. ; 22 cm. Includes index. ISBN: 043333603X LCCN: 75-032476 Subjects--Topical Terms: Human chromosome abnormalities.Karyotypes. Dewey Class. No.: 611/.0181