Authors: S MacRae; C Herman; R D Stulting; R Lippman; D Whipple; E Cohen; D Egan; C P Wilkinson; C Scott; R Smith Journal: Am J Ophthalmol Date: 1991-04-15 Impact factor: 5.258
Authors: E C Poggio; R J Glynn; O D Schein; J M Seddon; M J Shannon; V A Scardino; K R Kenyon Journal: N Engl J Med Date: 1989-09-21 Impact factor: 91.245