=LDR 00000nam 2200000 4500 =001 INLIS00000000002667 =005 20260711101937 =100 1#$$a B Burt Gerstman =245 1 $$a Epidemiology Kept Simple An Introduction to Traditional and Modern Epidemiology Third Edition /$c B Burt Gerstman =260 ##$$c 2013 =650 ##$$a Ebook