Silymarin (Livergol®) Decreases Disease Activity Score in Patients with Rheumatoid Arthritis: A Non-randomized Single-arm Clinical Trial - Shavandi, Mehrdad; Moini, Ali; Shakiba, Yadollah; Mashkorinia, Ahamad; Dehghani, Milad; Asar, Shirin; Kiani, Amir (Iranian Journal of Allergy, Asthma and Immunology, 2017)