Beta-blockers to prevent gastroesophageal varices in patients with cirrhosis.
Groszmann RJ, Garcia-Tsao G, Bosch J, Grace ND, Burroughs AK, Planas R, Escorsell A, Garcia-Pagan JC, Patch D, Matloff DS, et al. N Engl J Med. 2005 Nov 24; 353(21):2254-61.