Essential medical statistics /
Kirkwood, Betty R.
Essential medical statistics / Betty R. Kirkwood, Jonathan A.C. Sterne. - 2nd ed. - Malden, Mass. : Blackwell Science, 2003. - x, 501 p. : ill. ; 25 cm.
Essential medical statistics / Betty R. Kirkwood, Jonathan A.C. Sterne. - 2nd ed. - Malden, Mass. : Blackwell Science, 2003. - x, 501 p. : ill. ; 25 cm.