3-Hydroxyisobutyrate/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
3-hydroxyisobutyrate/creatinine &#x7c; urine &#x7c; chemistry - non-challenge
3-Hydroxyisobutyrate/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
3-hydroxyisobutyrate/creatinine &#x7c; urine &#x7c; chemistry - non-challenge