Experimental epidemiology: nutrition and infection.
D000367:Age Factors; D001196:Ascariasis; D001827:Body Height; D001835:Body Weight; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D004813:Epidemiology; D006166:Guatemala; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007239:Infections; D009026:Mortality; D009749:Nutrition Surveys; D012424:Rural Population; D012959:Socioeconomic Factors