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Fowler RE, Billingsley PF, Pudney M, Sinden RE.Fowler RE, et al. Among authors: pudney m.Parasitology. 1994 May;108 ( Pt 4):383-8. doi: 10.1017/s0031182000075922.Parasitology. 1994.PMID: 8008451
Fleck SL, Pudney M, Sinden RE.Fleck SL, et al. Among authors: pudney m.Trans R Soc Trop Med Hyg. 1996 May-Jun;90(3):309-12. doi: 10.1016/s0035-9203(96)90266-7.Trans R Soc Trop Med Hyg. 1996.PMID: 8758088