Acetylcholine chloride, phenylephrine hydrochloride, 5-hydroxytryptamine, forskolin and isoproterenol were purchased from Sigma Chemical Co.
El cloruro de acetilcolina, hidrocloruro de fenilefrina, 5-hidroxitriptamina, forskolina y el isoproterenol, se adquirieron por Sigma Chemical Co.
Cloreto de acetilcolina, hidrocloreto de fenilefrina, 5-hidroxitriptamina, forskolina e isoproterenol foram adquiridos da Sigma Chemical Co.