Figure 2.

NPC incidence and mortality rates in Sihui (1978–2002) and Cangwu (1983–2002) by calendar year and age, standardized by world population. Ms (males in Sihui), Fs (Females in Sihui), Mc (Males in Cangwu), Fc (Females in Cangwu).

Jia et al. BMC Cancer 2006 6:178   doi:10.1186/1471-2407-6-178
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