preferred_name: Characteristic periodic EEG complexes (only in sporadic and familial CJD, not in variant CJD)
preferred_name_lc: characteristic periodic eeg complexes (only in sporadic and familial cjd, not in variant cjd)
label: Characteristic periodic EEG complexes (only in sporadic and familial CJD, not in variant CJD)
label_lc: characteristic periodic eeg complexes (only in sporadic and familial cjd, not in variant cjd)