One hundred and twenty seven school boys, aged 8, 12, or 18 years, were studied to measure blood pressure and 24-hour urinary electrolyte excretion.

• 摘要于127个、8岁、12岁及18岁之男性学童检查血压及24小时尿电解质排泄量之结果发现，学童之血压随年龄而增加，收缩血压从100.；8±9