The FIGO classification of causes of abnormal uterine bleeding: Malcolm G. Munro, Hilary O.D. Crithcley, Ian S. Fraser, for the FIGO Working Group on Menstrual Disorders
Int J Gynaecol Obstet. 2011 Apr;113(1):1-2.
doi: 10.1016/j.ijgo.2011.01.001.
Epub 2011 Feb 12.