00341nam a2200133Ia 450000500170000008000190001710000210003624500540005726000330011130000140014458300190015894200130017799900170019020260716043056.0  a15.04.06 W5275  aWestern, Karl A.  aEpidemiologic surveillance after natural disaster  bPAHOaWashington, DCUSc1982  axi, 94 p.  c3/7/00kM2LMGR  cMmW5275  c39858d39858