S. N. Willich, K. Rossnagel, S. Roll, A. Wagner, O. Mune, J. Erlendson, A. Kharazmi, H. Srensen and K. Winther, “Rose Hip Herbal Remedy in Patients with Rheumatoid Arthritis—A Randomized Controlled Trial,” Phytomedicine, Vol. 17, No. 2, 2010, pp. 87-93. doi10.1016/j.phymed.2009.09.003 - References - Scientific Research Publishing