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In order to investigate the development of renal function, especially of the capacity of reabsorption of ascorbic acid in proximal tubule, in function of aging, experiments have been done. 1)Urinary flow, creatinine and electrolytes excretion in children (age :1~13yrs, weight: 10~39 kg) increased by aging and reached near the adult value at 11~13 years old. 2) Urinary concentration ability was matured... |
