Beneficial Effects of Trachyspermum ammi (L.) Sprague on Rat Irritable Bowel Syndrome oleh Shadi Izadpanah, Amir Hossein Abdolghaffari*, Fatemeh Farjadmand, Mahdieh Eftekhari, Maryam Baeeri, Mahban Rahimifard, Saeideh Momtaz, Mohammad Abdollahi, Roja Rahimi, Mohammad Reza Shams Ardekani