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. 2016 Aug 15;16:419. doi: 10.1186/s12879-016-1705-x

Fig. 1.

Fig. 1

Study population. The study population included all women born in Sweden who were at the age of 10–44 years during 1987–2012, and had at least one parent identifiable in the Multi-Generation Register. Women who received HPV vaccination during the study period were analyzed separately