Coronary artery disease (CAD) is the major cause of death in developed countries as it accounts on an average for 1 of every 5 deaths.Morphological variations of coronary arterial system is one PC Game of the causative factor for CAD.Anatomical knowledge of all possible variant patterns of coronary arterial system is imperative in the diagnostic an

The Novel Coronavirus has stressed and pressed a great number countries from a great number of sectors.This has impacted on travelling Beko ban, supply chain, and even oil prices.The role of China in combating Covid-19 has considerably become a model for the world.On the other hand, there is doubt regarding China’s role, domestically and globally