Aschengrau, Ann Essentials of epidemiology in public health / Ann Aschengrau, George R. Seage III. - 2a ed. - Sudbury, Mass. : Jones and Bartlett Publishers, 2008. - ix, 516 p. : il. ISBN: 978-0-7637-4025-2 Subjects--Topical Terms: Epidemiología.Medicina Social.Métodos EpidemiológicosSalud Pública Dewey Class. No.: 614.4 / A813e