The choice of cataract surgical techniques in developing nations: operations research considerations.
Department of Ophthalmology, Columbia University, College of Physicians and Surgeons.
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Pizzarello
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Ellwein
D002387:Cataract Extraction / Q000191:economics / Q000379:methods*; D003258:Consumer Behavior; D003906:Developing Countries; D005139:Eyeglasses; D006801:Humans; D007910:Lenses, Intraocular; D009874:Operations Research