N-acetyl-beta-glucosaminidase/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
n-acetyl-beta-glucosaminidase/creatinine &#x7c; urine &#x7c; chemistry - non-challenge
N-acetyl-beta-glucosaminidase/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
n-acetyl-beta-glucosaminidase/creatinine &#x7c; urine &#x7c; chemistry - non-challenge