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Boussinesq M, Pion SD, Demanga-Ngangue, Kamgno J.Boussinesq M, et al. Among authors: pion sd.Trans R Soc Trop Med Hyg. 2002 Sep-Oct;96(5):537-41. doi: 10.1016/s0035-9203(02)90433-5.Trans R Soc Trop Med Hyg. 2002.PMID: 12474484
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