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Title
Epidemiology of rheumatic heart disease in black shcoolchildren of Soweto, Johannesburg.
Authors
McLaren, M J; Hawkins, D M; Koornhof, H J; Bloom, K R; Bramwell-Jones, D M; Cohen, E; Gale, G E; Kanarek, K; Lachman, A S; Lakier, J B; Pocock, W A; Barlow, J B