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. Author manuscript; available in PMC: 2014 Apr 10.
Published in final edited form as: Int J Cancer. 2011 Aug 12;130(11):2638–2644. doi: 10.1002/ijc.26250

Figure 2. Age-dependence of cervical cancer incidence in largely unscreened populations in calendar years 1971–2001 from an age-cohort model. The age-specific rates displayed are fitted values for the 1950–1954 birth cohort.

Figure 2

1 The suggested model is that the incidence rate is proportional to the square of time since first intercourse, truncated at age 45.