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.
The experiments of survival rate. Female Balb/C mice were injected with four extracts of D. heterophyllum (50 mg/kg) at 2 h before the injection of a lethal dose of Con A (20 mg/kg). The survival rate was monitored at different times after Con A administration
