Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

Introduction We aimed to determine the association between paternal labour migration and the growth of the left-behind ...

Learn to calculate the Sharpe Ratio in Excel for insightful investment analysis. Our guide will help you assess risk versus ...

Background Hand-rolling tobacco (HRT) remains more affordable than factory-made (FM) cigarettes in the UK, which could ...

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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...