[Effect of family socioeconomic level on the diet of the preschool child].
D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D003364:Costa Rica; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D009751:Nutritional Requirements; D012424:Rural Population; D012959:Socioeconomic Factors
Efecto del nivel socioeconómico de la familia sobre la dieta del niño preescolar.