Friedman, D. S., Tielsch, J. M., Vitale, S., Bass, E. B., Schein, O. D., & Steinberg, E. P. (2002). VF-14 item specific responses in patients undergoing first eye cataract surgery: Can the length of the VF-14 be reduced? Copyright 2002 British Journal of Ophthalmology.

Friedman, D S., J M. Tielsch, S. Vitale, E B. Bass, O D. Schein, och E P. Steinberg. VF-14 Item Specific Responses in Patients Undergoing First Eye Cataract Surgery: Can the Length of the VF-14 Be Reduced? Copyright 2002 British Journal of Ophthalmology, 2002.

Friedman, D S., et al. VF-14 Item Specific Responses in Patients Undergoing First Eye Cataract Surgery: Can the Length of the VF-14 Be Reduced? Copyright 2002 British Journal of Ophthalmology, 2002.