Table 1.
Three Generations of AIs
| First Generation | Second Generation | Third Generation |
|---|---|---|
| Aminoglutethimide | Fadrozole | Letrozole |
| Formestane | Anastrozole | |
| Exemestane |
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.