00670nas a2200289   4500000000100000008004100001260001300042653001000055653002000065653002200085653001400107653001000121653001600131653001100147653001200158653001700170653001800187653001300205653001900218653003000237653002400267100002200291245003700313300000900350490000700359022001400366       2006                            d  c2006 Apr10aAdult10aAfrica, Eastern10aAged, 80 and over10aBlindness10aChild10aChloroquine10aHumans10aleprosy10aMalnutrition10aMetals, Heavy10aMethanol10aonchocerciasis10aWorld Health Organization10aWounds and Injuries1 aOnyango-Ogony P J00aPreventable causes of blindness.  a61-20 v83  a0012-835X