Background: The outbreak of COVID-19 has become the current crisis in most countries.Therefore, paying attention to the consequences and determinants of COVID-19.Mortality can lead to better control of the condition.This study aimed to investigate the COVID-19 mortality rate and its demographic and health determinants in Fars province.Methods: This
Introduction: During the last decade, medical methods for second trimester abortion have considerably improved and become safe and more accessible.The combination of mifepristone and misoprostol is now an established and highly effective method for second trimester abortion.But where mifepristone is not available or affordable, misoprostol alone ha
In order to improve the accuracy of shield tunneling parameter matching under the limited data, the matching Playing Cards model based on support vector machine (SVM) and exponential adjustment inertia weight immune particle swarm optimization (EAIW-IPSO) is proposed.The nonlinear relationship model between the tunneling parameters and the ground s