A survey of haemoglobin levels among primary six children in Singapore.
D000293:Adolescent; D001800:Blood Specimen Collection; D002648:Child; D005260:Female; D006306:Health Surveys; D006452:Hemoglobinometry; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008296:Malaysia; D008297:Male
D006454:Hemoglobins