a skin disease characterized by large thin-walled blisters (bullae) arising from normal skin or mucous membrane

sometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects; during this phase the drug may be tried on slightly different patient populations than those studied in earlier trials

an English verb followed by one or more particles where the combination behaves as a syntactic and semantic unit

a disorder characterized by an abnormal increase in the number of red blood cells in the blood

an indefinite quantity of something having a specified value

(law) a way of dealing with offenders without imprisoning them; a defendant found guilty of a crime is released by the court without imprisonment subject to conditions imposed by the court

a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data

a television commercial presented in the form of a short documentary