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.
Concentration-response curves of (A) chloroquine, (B) phenanthroline, (C) dapsone and (D) flufenamic acid in human bronchi pretreated or not with 1 μM BAY K8644. The results are expressed as a percentage of the relaxation observed with 3 mM theophylline (mean ± SEM from 4 to 10 independent experiments). **p < 0.01.
