Björn Strander, Agneta Andersson-Ellström, Ian Milsom, Pär Sparén
Strander B, Andersson-Ellström A, Milsom I, Sparén P.
Long term risk of invasive cancer after treatment for cervical intraepithelial neoplasia grade 3: population based cohort study
BMJ 2007; 335 :1077
doi:10.1136/bmj.39363.471806.BE