Epidemilogy : Principles and methods text Boston Little, Brown and Company 1970 ist ed. Eng xi,376 hlm 23 cm. Brian MacMahon EPIDEMIOLOGY 614.4 614.4 MAC e 0-316-54259-8 INLIS000000000001378 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)