a Porta Miquel \a A Dictionary of Epidemiology \h [Text] \c By Miquel Porta - \a 5th ed.: - \a Oxford New York \b Oxford University Press, Inc. \c 2008 - \a xxiv, 289p. \b ill.: \a Includes Bibliography \a Includes Bibliographical References ISBN: \a 9780195314502 LC Class. No.: \a RA 651.D53 Por / \b 094