MICHAEL J. CAMPBELL MEDICAL STATISTICS : A textbook for the health sciences / Campbell J.M. - 4th ed - England : John Wiley and sons, 2007. - 331p. : ill. ; includes index. ISBN: 9780470025192 Subjects--Personal Names: Michael C.David MachinStephen J.Walters LC Class. No.: R 853 / .S7C36 2007