RAO, C.R. Essential statistical methods for medical statistics: A derivative of handbook of statistics: Epidemiology and medical statistics C.R. Rao., J.P. Miller and D.C. Rao. - vol.27 - Boston. Elsevier. 2011. - x,351p.: ill.; 23cm. Includes references and index. ISBN: 9780444537379 Dewey Class. No.: 610.727