1994b-977 21stcentury anti-bacterialagents antibiotics atlases chemotherapy child children'shealth communicablediseases control deltaamacuro discriminationinmedicalcare diseases drugtherapy epidemics epidemiology fitness handbooks health history infant infectioninchildren infectiousdiseases malaria manuals medical nurse nursing patient pediatrics prevention therapeuticuse treatment venezuela wa110 waraochildren wc100i40121994 wc100i41861992 wc100t3551987 wc17s814a1998