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Zar HJ, Moore B, Argent A, Ireland J, Westwood AT.Zar HJ, et al. Among authors: westwood at.S Afr Med J. 1998 Aug;88(8):994-7.S Afr Med J. 1998.PMID: 9754213
van der Spuy DA, Cader S, van der Spuy GD, Westwood AT.van der Spuy DA, et al. Among authors: westwood at.J Paediatr Child Health. 2011 May;47(5):282-6. doi: 10.1111/j.1440-1754.2010.01954.x. Epub 2011 Jan 18.J Paediatr Child Health. 2011.PMID: 21244558