Butyrylcarnitine (C4)/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
butyrylcarnitine (c4)/creatinine &#x7c; urine &#x7c; chemistry - non-challenge
Butyrylcarnitine (C4)/Creatinine &#x7C; Urine &#x7C; Chemistry - non-challenge
butyrylcarnitine (c4)/creatinine &#x7c; urine &#x7c; chemistry - non-challenge