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McGuire W, Hill AV, Greenwood BM, Kwiatkowski D.McGuire W, et al. Among authors: greenwood bm.Trans R Soc Trop Med Hyg. 1996 May-Jun;90(3):274-6. doi: 10.1016/s0035-9203(96)90244-8.Trans R Soc Trop Med Hyg. 1996.PMID: 8758074
Gupta S, Hill AV, Kwiatkowski D, Greenwood AM, Greenwood BM, Day KP.Gupta S, et al. Among authors: greenwood am, greenwood bm.Proc Natl Acad Sci U S A. 1994 Apr 26;91(9):3715-9. doi: 10.1073/pnas.91.9.3715.Proc Natl Acad Sci U S A. 1994.PMID: 8170975Free PMC article.
Allen SJ, Rowe P, Allsopp CE, Riley EM, Jakobsen PH, Hill AV, Greenwood BM.Allen SJ, et al. Among authors: greenwood bm.Trans R Soc Trop Med Hyg. 1993 May-Jun;87(3):282-5. doi: 10.1016/0035-9203(93)90129-e.Trans R Soc Trop Med Hyg. 1993.PMID: 8236392