To compare human immunodeficiency virus (HIV)-infected and HIV-uninfected children with arthritis of unknown origin to determine whether the association between HIV infection and arthritis is causal or coincidental.
Department of Paediatrics and Child Health, Nelson R. Mandela School of Medicine, University of KwaZulu Natal, Private Bag X7, Congella, 4013, South Africa. chinniahk2@ukzn.ac.za
