TY - BOOK AU - Cowan, G. O. AU - Heap, B. J. ED - ED - ED - ED - SN - 0412433303 (alk. paper) SN - 2 PY - 1993///46 CY - London:;New York PB - Chapman & Hall KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Tropical medicine.;Tropical Medicine N1 - Includes bibliographical references (p. [295]-301) and index; 5 ER -