Authors: H M Leibowitz; D E Krueger; L R Maunder; R C Milton; M M Kini; H A Kahn; R J Nickerson; J Pool; T L Colton; J P Ganley; J I Loewenstein; T R Dawber Journal: Surv Ophthalmol Date: 1980 May-Jun Impact factor: 6.048
Authors: M C Chirambo; J M Tielsch; K P West; J Katz; T Tizazu; L Schwab; G Johnson; J Swartwood; H R Taylor; A Sommer Journal: Bull World Health Organ Date: 1986 Impact factor: 9.408