Fig. 2

Positive controls: normal responses to EFS (8 Hz) and phenylephrine (10−6 M) followed by response to HDM (1000 SQM) on a phenylephrine-precontracted tissue
International Journal of Phytomedicine and Phytotherapy
Positive controls: normal responses to EFS (8 Hz) and phenylephrine (10−6 M) followed by response to HDM (1000 SQM) on a phenylephrine-precontracted tissue