A Randomized, Triple-blind Placebo-controlled Trial to Determine the Effect of Saffron on the Serum Levels of MMP-9 and TIMP-1 in Patients with Multiple Sclerosis - Ghasemi Sakha, Fatemeh; Azimi Saeen, Amirreza; Moazzeni, Seyed Mohammad; Etesam, Farnaz; Vaezi, Gholamhassan (Iranian Journal of Allergy, Asthma and Immunology, 2020)