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SETTING Farms in the Boland health district, Western Cape Province, South Africa. OBJECTIVE To evaluate the effect of lay health workers (LHWs) on tuberculosis (TB) control among permanent farm(More)
Objective: To determine the effect of a biscuit with red palm oil as a source of β-carotene on the vitamin A status of primary school children and to compare this with the effect of a biscuit with(More)