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Late stent blockage by blood clot successfully treated by urokinase.

J. Leung, R. Hsu, C. W. Lai, 1992, Gastrointestinal endoscopy.

Percutaneous ethanol injection as a possible curative treatment for malignant portal vein thrombosis in hepatocellular carcinoma

T. Lam, C. Lam, P. Kwok, 1999, Cardiovascular and Interventional Radiology.

Adding a sclerosant to endoscopic epinephrine injection in actively bleeding ulcers: a randomized trial.

A. Li, S. Chung, H. Leong, 1993, Gastrointestinal endoscopy.