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. Author manuscript; available in PMC: 2012 Nov 11.
Published in final edited form as: Salud Publica Mex. 2008 Sep-Oct;50(5):408–418. doi: 10.1590/s0036-36342008000500014

Figure 1. HPV prevalence at enrollment by age: a) any oncogenic HPV infection; b) non-oncogenic HPV infection only; c) unclassified infections. All three categories of HPV infection showed significant differences by age group (p<0.005).

Figure 1

Note: add indication of statistical significance to legend and bar graph