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Epstein L, Sayed AR, Bourne DE, Benatar SR.Epstein L, et al. Among authors: sayed ar.S Afr Med J. 1987 Oct 17;72(8):559-63.S Afr Med J. 1987.PMID: 3672275
Rip MR, Epstein L, Disler PB, Taylor SP, Whittaker S, Derry CW, Sayed AR, Bourne DE, Klopper JM.Rip MR, et al. Among authors: sayed ar.S Afr Med J. 1987 Sep 19;72(6):404-7.S Afr Med J. 1987.PMID: 3660128
Taylor SP, Epstein L, Disler PB, Whittaker S, Rip MR, Derry CW, Sayed AR, Bourne DE, Klopper JM.Taylor SP, et al. Among authors: sayed ar.S Afr Med J. 1987 Nov 21;72(10):696-8.S Afr Med J. 1987.PMID: 3686266