Authors: P J Selby; R L Powles; B Janeson; H E Kay; J G Watson; R Thornton; G Morgenstern; H M Clink; T J McElwain; H G Prentice; R Corringharn; M G Ross; A V Hoffbrand; D Brigden Journal: Lancet Date: 1979-12-15 Impact factor: 79.321
Authors: M J Menage; E de Clercq; A van Lierde; V S Easty; J M Darville; S D Cook; D L Easty Journal: Br J Ophthalmol Date: 1990-09 Impact factor: 4.638