Figure 3. Figure 3A–B . Skeletal muscle glycogen (3A) and total creatine concentrations (3B) measured by 13C MRS.
Values are expressed individually or group means ± SD. GSD, glycogen storage diseases; MD, McArdle disease; PFKD, phosphofructokinase deficiency; controls, healthy control subjects; g/kg w. w., grams per kilogram wet weight.