Manaf, M. R.; Aljunid, S. M.; Annuar, F. H.; Leong, C. K.; Mansor, N. Cost-Effectiveness Analysis of Cataract Surgery With Intraocular Lens Implantation: Extracapsular Cataract Extraction Versus Phacoemulsification. Med J Indones 2007, 16, 25-31.