na INLIS000000000003241 N 0010-0317003239 Epidemiology for public haealth practice Friss, Robert H. 4th.ed. Boston : Jones and Bartlett publishers 2009 xxii, 717 hlm. 23 cm 9780763751616 614.4 Fri e 614.4 EPEDIMIOLOGY 100511212 100811212 100811212 100511212