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Malas S, Sur RK, Pacella JA, Donde B, Uijs R, Levin CV.Malas S, et al. Among authors: sur rk.S Afr J Surg. 1996 May;34(2):95-8.S Afr J Surg. 1996.PMID: 8764955
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Sur M, Sur RK, Cooper K, Bizos D.Sur M, et al. Among authors: sur rk.S Afr J Surg. 2003 Feb;41(1):14-20.S Afr J Surg. 2003.PMID: 12756868Clinical Trial.
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