Volume 349, Issue 9057, Pages 978-980 (April 1997) Invasive cervical cancer after conservative therapy for cervical intraepithelial neoplasia  Dr WP Soutter, MD, A de Barros Lopes, MD, Astrid Fletcher, MD, JM Monaghan, MD, ID Duncan, MD, E Paraskevaidis, MD, Prof HC Kitchener, MD  The Lancet  Volume 349, Issue 9057, Pages 978-980 (April 1997) DOI: 10.1016/S0140-6736(96)08295-5 Copyright © 1997 Elsevier Ltd Terms and Conditions

Figure Cumulative rate of invasion calculated from pooled data on individual patients for first 8 years after treatment The Lancet 1997 349, 978-980DOI: (10.1016/S0140-6736(96)08295-5) Copyright © 1997 Elsevier Ltd Terms and Conditions