Fig. 2.

Observed cumulative D3-creatine excretion vs. 96- to 100-h ratio of urine unlabeled creatine to creatinine (Cr/Crn) with fitted lines by sex.

Observed cumulative D3-creatine excretion vs. 96- to 100-h ratio of urine unlabeled creatine to creatinine (Cr/Crn) with fitted lines by sex.