East African Medical Journal, 84 (12); pp.577-88. ABSTRACT.
Proceedings of a workshop held in Addis Ababa, Ethiopia, 27-28 June 2006.
Proceedings of a workshop held in Addis Ababa, Ethiopia.
Victoria CG, Smith PG, Vaughan JP, Nobre LC, Lombardi C, Teixeira AM et al. Lancet 1987;2:319-322