Silva Marco, Maia Tiago, Macedo Guilherme
Gastroenterology Department, Centro Hospitalar de São João, Faculty of Medicine of the University of Porto, Porto, Portugal.
Pathology Department, Centro Hospitalar de São João, Faculty of Medicine of the University of Porto, Porto, Portugal.
GE Port J Gastroenterol. 2016 Apr 6;23(6):316-318. doi: 10.1016/j.jpge.2016.02.003. eCollection 2016 Nov-Dec.