in the controls , the gln level in csf was high , arg , asp and glu levels in csf were almost the same during infancy and childhood , and the levels of orn , lys , his , tau , thr , ser , asn , gly , ala , val , met , ile , leu , tyr and phe in csf decreased with age until pre-school age .
C0231330
infancy
C0231335
childhood