APA citiranje

Dawwas, M. F., Oppong, K. W., & Webster, G. J. (2016). Endoscopic assessment and management of biliary strictures. Frontline Gastroenterol.

Citação norma Chicago

Dawwas, M F., K W. Oppong, and G J. Webster. "Endoscopic Assessment and Management of Biliary Strictures." Frontline Gastroenterol 2016.

MLA citiranje

Dawwas, M F., K W. Oppong, and G J. Webster. "Endoscopic Assessment and Management of Biliary Strictures." Frontline Gastroenterol 2016.