significant inverse correlations with age were observed for free 3-methoxy-4-hydroxyphenylglycol ( mhpg ) , 5-hydroxyindoleacetic acid ( 5-hiaa ) , and homovanillic acid ( hva ) concentrations in csf from 75 neurologically normal newborns , infants , and children aged 1 day to 10 years .
C0021270
infants
C0008059
children