title: Tolerance to physical effort in pre- and postmenarcheal girls.
mesh_terms: D000293:Adolescent; D001827:Body Height; D001835:Body Weight; D002648:Child; D005260:Female; D006339:Heart Rate; D006400:Hematocrit; D006452:Hemoglobinometry; D006801:Humans; D008572:Menarche; D010101:Oxygen Consumption; D010807:Physical Endurance; D012119:Respiration