preferred_name: Normal motor nerve conduction velocity (NCV) (greater than 38 m/s)
preferred_name_lc: normal motor nerve conduction velocity (ncv) (greater than 38 m/s)
label: Normal motor nerve conduction velocity (NCV) (greater than 38 m/s)
label_lc: normal motor nerve conduction velocity (ncv) (greater than 38 m/s)