Essential epidemiology : an Introduction for students and health professionals /
Webb, Penny.
Essential epidemiology : an Introduction for students and health professionals / Penny Webb and Chris Bain. - New York : Cambridge Press University, 2011. - 2nd ed. xiv, 443 p. ill. ; 25 cm.
lncludes bibliographical references. lncludes index.
9780521177313 (pbk.)
Epidedemiologic Methods.
Essential epidemiology : an Introduction for students and health professionals / Penny Webb and Chris Bain. - New York : Cambridge Press University, 2011. - 2nd ed. xiv, 443 p. ill. ; 25 cm.
lncludes bibliographical references. lncludes index.
9780521177313 (pbk.)
Epidedemiologic Methods.