title: [Challenges in front of the modern obstetrics and gynecology].
authors.forename: S
authors.initials: S
authors.lastname: Ivanov
mesh_terms: D002031:Bulgaria; D003944:Diagnostic Techniques, Obstetrical and Gynecological; D006176:Gynecology / Q000191:economics / Q000193:education / Q000379:methods / Q000592:standards; D018166:Health Care Reform; D009774:Obstetrics / Q000191:economics / Q000193:education / Q000379:methods / Q000592:standards; D009775:Obstetrics and Gynecology Department, Hospital / Q000191:economics / Q000592:standards; D012955:Societies, Medical