An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Bryer A, Connor M, Haug P, Cheyip B, Staub H, Tipping B, Duim W, Pinkney-Atkinson V.Bryer A, et al. Among authors: tipping b.S Afr Med J. 2010 Nov 10;100(11 Pt 2):747-78. doi: 10.7196/samj.4422.S Afr Med J. 2010.PMID: 21081029
Butler I, MacLeod W, Majuba PP, Tipping B.Butler I, et al. Among authors: tipping b.South Afr J HIV Med. 2018 Nov 29;19(1):838. doi: 10.4102/sajhivmed.v19i1.838. eCollection 2018.South Afr J HIV Med. 2018.PMID: 30568838Free PMC article.