Epidemiologic research : principles and quantitative methods / David G. Kleinbaum, Lawrence L. Kupper, Hal Morgenstern. Kleinbaum, David G. Kupper, Lawrence L. jt. aut. Morgenstern, Hal, 1946- jt. aut. Epidemiology Research. Epidemiology Research Methodology. Epidemiologic Methods. RA652.4 .K56 1982 614.4072 KLE Includes bibliographical references and index. New York : Wiley, c1982. c1982. 1982 Text xix, 529 p. : eng