[Study of the correlation between the blood levels of hemoglobin and erythrocyte counts in 720 children of the free schools].
D000293:Adolescent; D002648:Child; D004484:Ecuador; D004906:Erythrocyte Count; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D008297:Male; D012572:School Health Services
Estudio de correlación entre níveles sanguineos de hemoglobina y contaje de eritrocitos en 720 niños de escuelas gratuitas.