there were no significant differences among groups in dietary vitamin b-6 intake , base-line erythrocyte pyridoxal 5'-phosphate ( plp ) , and total vitamin b-6 concentrations , and 24-h and base-line urinary excretion of total vitamin b-6 and 4-pyridoxic acid ( 4-pa ) .
C0034266
pyridoxal 5
C0087162
vitamin