Authors
Petar Arsenijevic
Department of Gynecology and obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
Nikola Jovic
Clinical centre of Kragujevac, Department of Gynecology and obstetrics, Serbia
Neda Arsenijevic
Clinical centre of Kragujevac, Department of Gynecology and obstetrics, Serbia
Zoran Protrka
Department of Gynecology and obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia