00539nam a2200181Ia 450000500170000000800410001702000180005803500090007604100080008508200080009310000130010124500790011426000450019330000130023850000090025150500570026065000400031720260808125452.0260808s9999||||xx |||||||||||||| ||und|| a92-4-154207-1 a5620 aENG a616 aBres, P. 0aPublic health action in emergencies caused by epidemicsba practical guide aGenevabWorld Health Oraganizationc1986 axi + 287 aGift aWHO, international health, pathology, global disease aWHObPathology -- Internal medicine