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Maaban is a remote populated place in Ghana. Its coordinates are: Latitude (DMS): 6° 59′ 0″ N; Longitude (DMS): 2° 13′ 0″. tribesman from Maaban were studied by Rosen in a seminal studyS. Rosen and P. Olin, Hearing Loss and Coronary Heart Disease, Archives of Otolaryngology, 82:236 (1965) proving that hearing loss is primarily associated with exposure to noise pollution, rather than a function of ageing. Rosen's work also showed that high sound levels were responsible for a statistical elevation of blood pressure.
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