Norcia AM, Zadnik K, Day SH. (1986). Photorefraction with a catadioptric lens. Improvement on the method of Kaakinen. Acta Ophthalmol (Copenh). 64: 379-85.
Norcia AM, Zadnik K, Day SH. (1986). Photorefraction with a catadioptric lens. Improvement on the method of Kaakinen. Acta Ophthalmol (Copenh). 64: 379-85.
Norcia AM, Zadnik K, Day SH. (1986). Photorefraction with a catadioptric lens. Improvement on the method of Kaakinen. Acta Ophthalmol (Copenh). 64: 379-85.