TY - GEN AU - WACHSTEIN,M AU - GUDAITIS,A TI - Detection of vitamin B6 deficiency; utilization of an improved method for rapid determination of xanthurenic acid in urine SN - 0002-9173 PY - 2004///0215 KW - Body Fluids KW - Humans KW - Vitamin B 6 Deficiency KW - Xanthurenates KW - urine N1 - Publication Type: Journal Article UR - https://doi.org/10.1093/ajcp/22.7.652 ER -