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Ayyangar KM, Saw CB, Shen B, Enke CA, Nizin PS.Ayyangar KM, et al. Among authors: saw cb.Med Dosim. 2001 Spring;26(1):29-35. doi: 10.1016/s0958-3947(00)00057-1.Med Dosim. 2001.PMID: 11417504