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Bulletin of the World Health Organization|January 1, 1986
A simple surveillance system for xerophthalmia and childhood corneal ulcerationA Foster, F Kavishe, A Sommer, et al.
Upsala Journal of Medical Sciences|January 1, 1989
A prospective area-based study of the outcome of pregnancy in rural TanzaniaB Möller, O Lushino, J Kabukoba, et al.
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