Abstract
Summary
1. The clearance of endogenous inorganic phosphate is relatively low in the newborn period. 2. The clearances of phosphate in older infants, children and adolescents approximate those of the adult. 3. The tubular reabsorption of phosphate was found to average 87.7% of the glomerular filtrate in children and adolescents. 4. The clearances of phosphate at all ages have a wide variation
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