المؤلفون: Shah HR, Conway RM, Van Quill KR, Madigan MC, Howard SA, Qi J, Weinberg V, O'Brien JM, Shah, H R, Conway, R M, Van Quill, K R, Madigan, M C, Howard, S A, Qi, J, Weinberg, V, O'Brien, J M

المصدر: Eye; Mar2008, Vol. 22 Issue 3, p454-460, 7p