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International Workshop on Primary Ear and Hearing Care (1998 : Cape Town, South Africa) ,  World Health Organization. Blindness and Deafness Unit ,  World Health Organization. Regional Office for Africa ,  University of Cape Town ,  [Report of the International Workshop on Primary Ear and Hearing Care, Cape Town, South Africa, 12-14 March 1998]

World Health Organization. Blindness and Deafness Unit ,  WHO Programme for the Prevention of Blindness ,  [Elimination of avoidable visual disability due to refractive errors : report of an informal planning meeting, Geneva, 3-5 July 2000]

International Workshop on Primary Ear and Hearing Care (1998 : Cape Town, South Africa) ,  World Health Organization. Blindness and Deafness Unit ,  World Health Organization. Regional Office for Africa ,  University of Cape Town ,  [Report of the International Workshop on Primary Ear and Hearing Care, Cape Town, South Africa, 12-14 March 1998]

World Health Organization. Blindness and Deafness Unit ,  WHO Programme for the Prevention of Blindness ,  [Elimination of avoidable visual disability due to refractive errors : report of an informal planning meeting, Geneva, 3-5 July 2000]