Nonrenal Clearance Normalized by BMI

A measurement of the total clearance rate of a substance from the blood minus the renal clearance rate of that substance. …

A clinical trial in which the participants are not assigned by chance to different treatment groups. Participants may choose which group they…

Any method of selecting a sample in which cases are not chosen by random sampling.

Class of carotenoids that have no vitamin A activity and cannot be converted to retinol.

An organization whose primary objective is to support some issue or matter of private interest or public concern for non-commercial purposes. Nonprofits…

Refers to a medicine that can be bought without a prescription (doctor's order). Examples include analgesics (pain relievers), such as aspirin and…