Abstract Background Few qualitative studies of headache have been conducted and as a result we have little in-depth understanding of the experiences and perceptions of people with headache.The aim of this paper was to explore the perceptions and experiences of individuals with headache and their experiences of associated healthcare and treatment.Me

Several outbreaks of COVID-19 caused by imported cases have occurred in China following the successful control of the outbreak in early 2020.In order to avoid recurrences of such local outbreaks, it is important to devise an efficient control and prevention strategy.In this paper, we developed a stochastic discrete model of the COVID-19 epidemic in

Background Diamond-Blackfan anemia is a rare, pure red blood cell aplasia of childhood due to an intrinsic defect in erythropoietic progenitors.About 40% of patients display various malformations.Anemia is corrected by steroid treatment in more than 50% of cases; non-responders need chronic transfusions or stem cell transplantation.Defects in the R

Jinjing Wu,* Yanli Yang,* Yafen Gao, Zhaoqi Wang, Jun Ma Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People’s Republic of China*These authors contributed equally to this workCorrespondence: Jun MaDepartment of Anesthesiology, Beijing Anzh