title: Effect of iron and folate supplementation on haematocrit levels of school children in a rural area of Central Thailand.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000747:Anemia, Hypochromic / Q000517:prevention & control; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage / Q000494:pharmacology*; D005942:Gluconates / Q000008:administration & dosage / Q000494:pharmacology; D006400:Hematocrit; D006452:Hemoglobinometry; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007501:Iron / Q000008:administration & dosage / Q000494:pharmacology*; D008297:Male; D009751:Nutritional Requirements; D010919:Placebos; D012423:Rural Health; D013785:Thailand
chemical_list: D005942:Gluconates; D006454:Hemoglobins; D010919:Placebos; D005492:Folic Acid; D007501:Iron