Progressive widening of synaptic clefts that are filled with amorphous debris seen on muscle biopsy
progressive widening of synaptic clefts that are filled with amorphous debris seen on muscle biopsy
Progressive widening of synaptic clefts that are filled with amorphous debris seen on muscle biopsy
progressive widening of synaptic clefts that are filled with amorphous debris seen on muscle biopsy