ULAK, Güner, Ramazan ÇİÇEK, Atiye VURAL, Naime CANORUÇ, and Mustafa ULAK. 1996. “Effects of Calcium Channel Blocking Agents on Tetracycline Hepatotxicity”. Turkish Journal of Gastroenterology 7 (1):6-9. https://www.turkjgastroenterol.org/index.php/tjg/article/view/674.