the concentration of 24,25 ( oh ) 2d in children and adolescents ( 3.3 +/- 1.3 sd ng/ml ) was significantly greater ( p less than 0.01 ) than the levels recorded in neonates ( 1.8 +/- 0.6 ng/ml ) , and was approximately one-tenth the concentration of 25ohd in the two populations ( children 35.2 +/- 9.2 ng/ml ; neonates 14.4 +/- 3.4 ng/ml , p less than 0.01 ) .
C0008059
children
C0021289
neonates