Harper Diane M, Vierthaler Stephen L
Department of Obstetrics and Gynecology, Community and Family Medicine, University of Missouri-Kansas City School of Medicine, Lee's Summit Road, Kansas City, MO 64139, USA.
Lancet Oncol. 2011 Sep;12(9):828-9. doi: 10.1016/S1470-2045(11)70237-6. Epub 2011 Aug 22.