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Jaskiewicz K, Van Helden PD, Wiid IJ, Steenkamp HJ, Van Wyk MJ.Jaskiewicz K, et al. Among authors: van wyk mj, van helden pd.Anticancer Res. 1990 May-Jun;10(3):833-6.Anticancer Res. 1990.PMID: 2369096
van Helden PD, Wiid IJ, Albrecht CF, Theron E, Thornley AL, Hoal-van Helden EG.van Helden PD, et al.Cancer Res. 1988 Oct 15;48(20):5660-2.Cancer Res. 1988.PMID: 3167823
Wiid I, Hoal-van Helden E, Hon D, Lombard C, van Helden P.Wiid I, et al.Antimicrob Agents Chemother. 1999 Apr;43(4):975-7. doi: 10.1128/AAC.43.4.975.Antimicrob Agents Chemother. 1999.PMID: 10103215Free PMC article.