preferred_name: Muscle biopsy shows angular atrophic fibers with granulovacuolar material
preferred_name_lc: muscle biopsy shows angular atrophic fibers with granulovacuolar material
label: Muscle biopsy shows angular atrophic fibers with granulovacuolar material
label_lc: muscle biopsy shows angular atrophic fibers with granulovacuolar material