Kirkwood, Betty R. Essential medical statistics / Betty R. Kirkwood, Jonathan A. C. Sterne. - 2nd ed. - India: Blackwell Science, Wiley, 2003. - x, 501p.: ill., tabs., figs.; 23cm. ISBN: 9788126563760 Subjects--Topical Terms: Statistics.Biometry Dewey Class. No.: 610.727 / K598e