3-Methoxy-4-Hydroxyphenylglycol/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
3-methoxy-4-hydroxyphenylglycol/creatinine &#x7c; urine &#x7c; chemistry - non-challenge
3-Methoxy-4-Hydroxyphenylglycol/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
3-methoxy-4-hydroxyphenylglycol/creatinine &#x7c; urine &#x7c; chemistry - non-challenge