Dihydrocodeine/Creatinine &#x7C; Urine &#x7C; Drug toxicology
dihydrocodeine/creatinine &#x7c; urine &#x7c; drug toxicology
Dihydrocodeine/Creatinine &#x7C; Urine &#x7C; Drug toxicology
dihydrocodeine/creatinine &#x7c; urine &#x7c; drug toxicology