[Xanthurenic index as a pyridoxine deficiency test].
D025101:Vitamin B 6; D026681:Vitamin B 6 Deficiency; D014977:Xanthurenates
D014977:Xanthurenates; C028330:xanthurenic acid; D025101:Vitamin B 6
VITAMIN B6; XANTHURENIC ACID
L'indice xanturenico come "test" di carenza piridoxinica.