Preparing for the health needs for the year 2000.
D002648:Child; D005544:Forecasting; D005767:Gastrointestinal Diseases / Q000517:prevention & control; D006166:Guatemala; D006285:Health Planning; D006296:Health Services / Q000639:trends*; D006297:Health Services Accessibility; D006301:Health Services Needs and Demand; D006801:Humans; D009520:New Zealand; D012107:Research Design; D012959:Socioeconomic Factors