00569 2200217 4500001002100000008003900021035002000060245004500080100002100125250001200146260005000158300002600208020001800234084001600252082001000268650001700278990001400295990001400309990001400323990001400337INLIS000000000003241 N  a0010-0317003239 aEpidemiology for public haealth practice aFriss, Robert H. a4th.ed. aBoston :bJones and Bartlett publishersc2009 axxii, 717 hlm.c23 cm a9780763751616 a614.4 Fri e a614.4 aEPEDIMIOLOGY a100511212 a100811212 a100811212 a100511212