00699nam a22002291a 4500 1/16413 991027s1975 enk eng d 0632087900 16922 DLC GR-PeUP 610.1'82 AR Artimage, P. Sequential medical trials / P. Armitage 2nd ed. Oxford : Blackwell Scientific, 1975 194 p. ; 24 cm. Includes bibliographical references & index Medicine Research Statistical methods. Sequential analysis. Biometry. Research. INST UNIPILB MAIN 20040709 610.1'82 AR 00116971 00116971 LOAN 0 1