The plasma concentration of VEGF, HE4 and CA125 as a new biomarkers panel in different stages and sub-types of epithelial ovarian tumors. - Ławicki, Sławomir; Będkowska, Grażyna Ewa; Gacuta-Szumarska, Ewa; Szmitkowski, Maciej (Journal of Ovarian Research, 2013)