In this article, we obtain two results on $n$ the power of a meromorphic function and its shift operator sharing small together with value which improve complement some earlier results. particular, more or less have improved extended Qi-Yang [Meromorphic functions that share values their shifts $n$-th order differences, Analysis Math., 46(4)2020, 843-865] by dispelling superfluous conclusions i...

Abstract Background ventricular functional mitral regurgitation (v-FMR) is associated with an increased risk of mortality and hospitalization for heart failure. In this setting, the echocardiographic assessment v-FMR severity using 2D proximal isovelocity surface area (PISA) yields several limitations, potentially leading to underestimation severity. An alternative approach derive regurgitant v...

BACKGROUND HBV is second to tobacco as a known human carcinogen and the 10th leading cause of death worldwide. OBJECTIVES To examine the socio-demographic characteristics of health care workers and hepatitis B virus in Public Teaching Hospitals in Khartoum State, Sudan, in 2004. METHODS It was an observational, cross sectional, facility-based study. A total of 843 subjects were selected. It...