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. Author manuscript; available in PMC: 2010 Sep 3.
Published in final edited form as: Eur J Cancer. 2007 Jul 5;43(12):1849–1855. doi: 10.1016/j.ejca.2007.05.016

Fig. 1.

Fig. 1

Flow chart for case–control study. Smear n:o 1 is referred to as 6 month smear and smear n:o 2 as 12 month smear according to mean time after treatment. Matching was made for age and time for diagnosis and treatment of CIN2–3.