Margaret van Niekerk

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Higher levels of total serum creatine kinase activity have been reported in black compared with white North Americans of the same sex. In a study among South Africans, we found such an interracial difference was notable only for males. The difference was heightened by physical activity. This study affirms the importance of sampling the indigenous population(More)
BACKGROUND Despite changes in WHO guidelines, stavudine is still used extensively for treatment of pediatric HIV in the developing world. Lipoatrophy in sub-Saharan African children can be stigmatizing and have far-reaching consequences. The severity and extent of lipoatrophy in pre-pubertal children living in sub-Saharan Africa is unknown. METHODS In(More)
BACKGROUND Although new molecular diagnostic tests such as GenoType MTBDRplus and Xpert® MTB/RIF have reduced multidrug-resistant tuberculosis (MDR-TB) treatment initiation times, patients' experiences of diagnosis and treatment initiation are not known. This study aimed to explore and compare MDR-TB patients' experiences of their diagnostic and treatment(More)
OBJECTIVES To investigate the electrooculogram (EOG) and an expanded battery of electroretinograms (ERGs) in HIV-infected subjects without retinopathy at two different levels of immunosuppression. Consideration was given to the possible effects of serum levels of vitamin A. METHODS Two groups of neurologically normal HIV-positive subjects with CD4+ cell(More)
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