bloodspot ad concentrations ranged from less than 0.6 to 2.7 nmol/l in neonates , less than 0.6 nmol/l in pre-pubertal children , 0.6-2.1 nmol/l in pubertal children and less than 0.6-4.6 nmol/l post-puberty .
C0021289
neonates
C0008059
children