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Shaw I, Shaw BS.Shaw I, et al. Among authors: shaw bs.Cardiovasc J S Afr. 2006 May-Jun;17(3):111-6.Cardiovasc J S Afr. 2006.PMID: 16807626Clinical Trial.
Shaw I, Shaw BS, Brown GA, Cilliers JF.Shaw I, et al. Among authors: shaw bs.Cardiovasc J Afr. 2010 Jul-Aug;21(4):196-9.Cardiovasc J Afr. 2010.PMID: 20838717Free PMC article.