A Prospective Study of Conventional and Expanded Coagulation Indices in Predicting Ulcer Bleeding After Variceal Band Ligation - Rocha, Evandra Cristina Vieira da; D'Amico, Elbio Antonio; Caldwell, Stephen Hugh; Rocha, Tania Rubia Flores da; Silva, Cristina simões solon Soares e; Bomfim, Valdineia dos Santos; Felga, Guilherme; Barbosa, Walnei Fernandes; Kassab, Fabio; Polli, Demerson andre; Carrilho, Flair José; Farias, Alberto Queiroz (Clinical Gastroenterology and Hepatology, 2009)