Research Article
The Mechanism Underlying the Spasmolytic and Bronchodilatory Activities of the Flavonoid-rich Red Onion Allium cepa L. Peel Extract
Saf-ur-Rehman Mandukhail,
Atallah F. Ahmed,
Hanan M. Al-Yousef,
Jawaher Hamad Al-Qahtani and Anwarul-Hassan Gilani