Armitage, P. Statistical methods in medical research / P. Armitage, G. Berry, J.N.S. Matthews. - 4th ed. - Oxford ; Malden, MA : Blackwell Science, 2002 - xi, 817 p. : ill. Includes bibliographical references (p. 760-783) and indexes. ISBN: 9780632052578 0632052570 LCCN: 00067992 Subjects--Topical Terms: BiometryResearch Design National Library of Medicine Call No.: WA 950 / AR732 2002