preferred_name: Decreased postsynaptic areas of clefts and folds seen on muscle biopsy
preferred_name_lc: decreased postsynaptic areas of clefts and folds seen on muscle biopsy
label: Decreased postsynaptic areas of clefts and folds seen on muscle biopsy
label_lc: decreased postsynaptic areas of clefts and folds seen on muscle biopsy