na INLIS000000000001378 English 0010-0621000380 Epidemilogy : Principles and methods Brian MacMahon Brian MacMahon ist ed. Boston Little, Brown and Company 1970 xi,376 hlm 23 cm. 0-316-54259-8 614.4 MAC e 614.4 EPIDEMIOLOGY B1494/Perpust.Gizi/2017