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APA Citation
Kleber, G., Sauerbruch, T., Fischer, G., & Paumgartner, G. (1989). pressure of intraoesophageal varices assessed by fine needle puncture: its relation to endoscopic signs and severity of liver disease in patients with cirrhosis.. Gut, 30(2), 228–232. http://access.bl.uk/ark:/81055/vdc_100137792709.0x00004d