studies were performed in 10 premature infants ( mean birth weight : 1,618 g , gestational age : 30.8 weeks ) weekly for 6 consecutive weeks , in 11 full-term neonates ( mean birth weight : 3,085 g , gestational age : 38.6 weeks ) on the 7th day of life and in 25 older control infants ( mean age : 6.5 months , body weight : 6,802 g ) before and after nh4cl-loading test .
C0005612
birth weight
C0005910
body