Pino T. RH, Montealegre Losada A, Sanabria García D, Cortes Serrato A. Upper digestive tract bleeding of emergency at huhmp: clinic-endoscopic correlation. RFS [Internet]. 2010 Jul. 5 [cited 2024 May 18];2(2):55-60. Available from: https://journalusco.edu.co/index.php/rfs/article/view/55