This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Exploratory analyses in a mixed ICU cohort found that patients with a left ventricular ejection fraction above 70 percent ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

9 GCSE/IGCSE Math worksheets on the following topics: percentage increase and decrease, percentages, fractions and decimals, reverse percentage, functions, composite functions, domain of a function, ...

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place. Master composite and inverse functions with this comprehensive, no-prep algebra ...