preferred_name: Cone and rod responses borderline or nondetectable on electroretinography (ERG) by the second decade of life
preferred_name_lc: cone and rod responses borderline or nondetectable on electroretinography (erg) by the second decade of life
label: Cone and rod responses borderline or nondetectable on electroretinography (ERG) by the second decade of life
label_lc: cone and rod responses borderline or nondetectable on electroretinography (erg) by the second decade of life