Cite
APA Citation
Ismail, T., Bancewicz, J., & Barlow, J. (1996). endoscopic Appearance of the Gastroesophageal Valve and Competence of the Cardia. Diagnostic and therapeutic endoscopy, 2(3), 147–150. http://access.bl.uk/ark:/81055/vdc_100082266777.0x00004d