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Brink AJ, Bradshaw D, Benadé MM, Heath S.Brink AJ, et al. Among authors: bradshaw d.S Afr Med J. 1991 Dec 7;80(11-12):561-6.S Afr Med J. 1991.PMID: 1745942
von Schirnding YE, Fuggle RF, Bradshaw D.von Schirnding YE, et al. Among authors: bradshaw d.S Afr Med J. 1991 Apr 20;79(8):454-6.S Afr Med J. 1991.PMID: 2020886