ESGO Statement on the Role of CA‐125 Measurement in Follow-Up of Epithelial Ovarian Cancer. Issue 1 (1st January 2012) - Colombo, Nicoletta; Gitsch, Gerald; Reed, Nicolas; Amant, Frederic; Cibula, David; Kesic, Vesna I.; Kimmig, Rainer; Lopes, Alberto D.B.; Markowska, Janina; Marth, Christian; Radolakis, Alexander; Salvesen, Helga; et al.