of Sciences (Russian: докторнаук, IPA: [ˈdoktər nɐˈuk], abbreviated д-р наук or д. н.; Ukrainian: докторнаук; Bulgarian: доктор на науките; Belarusian:
Medicine)). Whereas, the title of Doctor of Medical Sciences (Russian: доктормедицинскихнаук, "doktor medicinskikh nauk" abbreviated д. м. н.) is a higher research