Foundations of epidemiology.
Lilienfeld, David E.
Stolley, Paul D.
Lilienfeld, Abraham M.Foundations of epidemiology.
New York ; Oxford : Oxford University Press,
1994.
Rev. ed. of: Foundations of epidemiology / Abraham M. Lilienfeld and David E. Lilienfeld. 2nd ed. 1980.
Includes bibliographical references and indexes.
Epidemiology.