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Muscle protein synthesis, fractional growth rate (FGR), absolute synthetic rate (ASR), absolute breakdown rate (ABR), and protein turnover. Values are means ± standard error of the mean. aSignificantly different from baseline, P < 0.05; bsignificantly different between two groups, P < 0.05; P < 0.11 Week 6 vs. baseline in testosterone group. FSR, fractional synthetic rate.
