Key points are not available for this paper at this time.
Temple University School of Medicine Philadelphia, PA Center for Value-Based Medicine Flourtown, PA Original study reprint requests: Peter J. McDonnell, MD, Wilmer Ophthalmological Institute, Maumenee 727, 600 N. Wolfe St., Baltimore, MD 21287. E-mail: email protected
Betsy Luo (Thu,) studied this question.