2-Hydroxyisobutyrate/Creatinine &#x7C; Urine &#x7C; Drug toxicology
2-hydroxyisobutyrate/creatinine &#x7c; urine &#x7c; drug toxicology
2-Hydroxyisobutyrate/Creatinine &#x7C; Urine &#x7C; Drug toxicology
2-hydroxyisobutyrate/creatinine &#x7c; urine &#x7c; drug toxicology