Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.

The frequent use of the MDRD formula to estimate the GFR should not mislead us about the fact that it is an empirical formula. This is obvious from the failure of the measurement unit calculation: The ...

The molecular formula and empirical formula of some substances are the same. For example, both types of formula for carbon dioxide are CO 2.