title: The puzzle of endothelial nitric oxide synthase dysfunction in portal hypertension: The missing piece?
authors: Institute of Hepatology, Department of Medicine, University College London, London, United Kingdom.
authors: Rajeshwar P
authors: RP
authors: Mookerjee
authors: Balasubramaniyan
authors: B
authors: Vairappan
authors: Rajiv
authors: R
authors: Jalan