Authors: R J Pickering; R C Herdman; A F Michael; R L Vernier; H Gewurz; A J Fish; R A Good Journal: Medicine (Baltimore) Date: 1970-05 Impact factor: 1.889
Authors: D D McGavin; J Williamson; J V Forrester; W S Foulds; W W Buchanan; W C Dick; P Lee; R N MacSween; K Whaley Journal: Br J Ophthalmol Date: 1976-03 Impact factor: 4.638