Aschengrau, Ann Essentials of epidemiology in public health / Epidemiology in public health Ann Aschengrau, George R. Seage - 2nd ed. - Sudbury, Mass. : Jones and Bartlett Publishers, 2008 - ix, 516 p. : ill. ; 23 cm. ISBN: 076374025X RM269.82 9780763740252 Subjects--Topical Terms: Epidemiologic MethodsPublic health