TY - RPRT TI - A modified cyanide-nitroprusside method for quantifying urinary cystine concentration that corrects for creatinine interference. AU - Y Nakagawa AU - F L Coe PY - 1999 DO - 10.1016/s0009-8981(99)00159-x UR - https://pubmed.ncbi.nlm.nih.gov/10556653/ ID - 10556653 ER -