title: Situation of severe growth retardation in first-grade schoolchildren in countries of Central America around 2000.
mesh_terms: D002648:Child; D004544:El Salvador / Q000453:epidemiology; D005260:Female; D006130:Growth Disorders / Q000453:epidemiology* / Q000209:etiology; D006166:Guatemala / Q000453:epidemiology; D006721:Honduras / Q000453:epidemiology; D006801:Humans; D008297:Male; D009752:Nutritional Status; D015995:Prevalence; D012307:Risk Factors