the l-carnitine blood serum and amniotic fluid levels were measured in 133 samples obtained from clinically healthy patients : 39 pregnant women with a fetal gestational age ranging from 14 to 40 weeks , 13 newborn children less than a day old , 19 newborn children between the ages of 1 and 30 days , 8 breast-feed babies and 19 children over two years of age .
C0021289
newborn
C0008059
children