Investigation of cholelitholytic and biologic effects of methly tertiary butyl ether (MTBE) in dogs with implanted gallstone - MAS, Mehmet Refik; ATEŞKAN, Ümit; DİNÇ, Ayhan; MİLLİ, Ümit; NALBANT, Selim; ERDEM, Hakan; KUTU, Mustafa; DAĞALP, Kemal; KOCABALKAN, Fikri (Turkish Journal of Gastroenterology, 1997)