the pd and amiloride response in cf neonates are similar to those in cf infants ( 2.24 months ) , older cf children ( greater than 6 years ) , and cf adults ( -64.9 +/- 9.3 mv ; 77.7 +/- 1.8 % , n = 51 ) .
C0002502
amiloride
C0010674
cf