Ntshalintshali S D, Zwane T, Du Toit R
Division of Rheumatology, Department of Internal Medicine, Tygerberg Hospital and Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
S Afr Med J. 2021 Jun 8;111(8):695-696. doi: 10.7196/SAMJ.2021.v111i8.15810.