Şener TE, Kardaş RC, Şehirli AÖ, Ekşioğlu-Demiral E, Yüksel M, Çetinel Ş, Yeğen6 BC, Şener G, . The effect of betulinic acid on TNBS-induced experimental colitis. Marmara Pharm. J 2013; 17(1): 052-059. http://dx.doi.org/10.12991/201317393