The article deals with the biography of the Kyiv voivode Zhiroslav Nazhirovich.The Mask boyar is mentioned in the Kyiv Chronicle only once, in 1159, when he leaded the military unit of Torks that had been by the Kyiv prince Rostislav Mstislavich to Mensk to help the Polotsk prince Rogvolod Borisovich.The author admits that Zhiroslav was born in the
We recently showed that cassette integration and deletion in integron platforms were occurring through unconventional site-specific recombination reactions involving only the bottom strand of attC sites.The lack of sequence conservation among attC sites led us to hypothesize that sequence-independent structural recognition determinants must exist w
Background: In the cervical nerve sheath tumor (NST) surgery with dumbbell extension of Eden type 2 or 3, selection of anterior, posterior, or combined approach remains controversial.Objectives: This technical note aimed to propose possible advantages of the posterior unilateral approach (PUA).Methods: Six patients who underwent the surgical treatm
Rationale: Stress plays a dual role in substance use disorders as a precursor to drug intake and a relapse precipitant.With heroin use at epidemic proportions in the United States, understanding interactions between stress disorders and opioid use disorder is vital and will aid in treatment of these frequently comorbid conditions.Objectives: Here,