It is postulated that release of tritiated water into plasma after administration to phenylalanine labelled in position 4 with tritium permits (1) direct measurement of phenylalanine hydroxylase activity in vivo, (2) differentiation of """"""""hyperphenylalanemias"""""""" from true phenylketonuria and (3) definition of the heterozygous state in phenylketonuria liver biopsy.
Showing the most recent 10 out of 470 publications