pyridoxal phosphate , activities of pyridoxal kinase and red cell got , and excretion of 4-pyridoxic acid in urine were measured as indices of vitamin b6 nutriture before therapy was started , on the 3rd and 6th day with therapy and on the 1st and 4th day after therapy was stopped .
C0034266
pyridoxal phosphate
C0087162
vitamin