Haylene Nell

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OBJECTIVES Indigenous medicines are widely used throughout Africa, despite a lack of scientific evidence for their safety or efficacy. The aims of this study were: (a) to conduct a pilot study of the safety of a common indigenous South African phytotherapy, Lessertia frutescens (Sutherlandia), in healthy adults; and (b) to contribute to establishing(More)
OBJECTIVE The GOLD guidelines suggest that the presence of a post-bronchodilator forced expiratory volume in one second (FEV1) < 80% of the predicted value in combination with a FEV1/forced vital capacity (FVC) < 70% confirms the diagnosis of COPD. Limited data exist regarding the accuracy of these criteria to distinguish between COPD and asthma. The aim of(More)
hosts containing different numbers of parasitoid eggs by the solitary parasitoid and patch time allocation in solitary parasitoids; the influence of the number of parasitoids depleting a patch. Behaviour 114:21-36. processing by foragers: effects of intra-patch experience on the leaving tendency of Leptopilina heterotoma. and patch time allocation in(More)
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