Authors: John P Whitcher; Caroline H Shiboski; Stephen C Shiboski; Ana Maria Heidenreich; Kazuko Kitagawa; Shunhua Zhang; Steffen Hamann; Genevieve Larkin; Nancy A McNamara; John S Greenspan; Troy E Daniels Journal: Am J Ophthalmol Date: 2009-12-29 Impact factor: 5.258