[An aspect of the epidemiologic study of blood pressure in childhood].
D000293:Adolescent; D000367:Age Factors; D001794:Blood Pressure; D002648:Child; D002675:Child, Preschool; D002681:China; D004777:Environment; D006801:Humans; D006973:Hypertension / Q000453:epidemiology / Q000209:etiology; D007223:Infant; D012965:Sodium Chloride / Q000008:administration & dosage
D012965:Sodium Chloride