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Robertson AP, Martin RJ.Robertson AP, et al. Among authors: martin rj.Parasitology. 1996 Aug;113 ( Pt 2):191-8. doi: 10.1017/s0031182000066439.Parasitology. 1996.PMID: 8760318
Robertson AP, Bjorn HE, Martin RJ.Robertson AP, et al. Among authors: martin rj.FASEB J. 1999 Apr;13(6):749-60. doi: 10.1096/fasebj.13.6.749.FASEB J. 1999.PMID: 10094935