preferred_name: Severely decreased motor nerve conduction velocity (NCV) (less than 38 m/s)
preferred_name_lc: severely decreased motor nerve conduction velocity (ncv) (less than 38 m/s)
label: Severely decreased motor nerve conduction velocity (NCV) (less than 38 m/s)
label_lc: severely decreased motor nerve conduction velocity (ncv) (less than 38 m/s)