Article Text
Letter
Cytokines in portopulmonary hypertension
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I wish to raise some questions regarding the paper of Benjaminov et al on portopulmonary hypertension in decompensated cirrhosis with refractory ascites (Gut 2003;52:1355–62).
Although the role of endothelin-1 in portopulmonary hypertension has been suggested by many clinicians and is timely, as well as …