Figure 1.
(a) Possible fates of a drug molecule inside human body; (b) the physical process of distribution of a drug molecule between two phases.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.