Andrade Patrícia, Lopes Susana, Macedo Guilherme
Gastroenterology Department, Faculty of Medicine, Centro Hospitalar de São João, Alameda Prof. Hernani Monteiro, 4200-319, Porto, Portugal,
Int J Colorectal Dis. 2015 Sep;30(9):1289-90. doi: 10.1007/s00384-015-2329-0. Epub 2015 Aug 5.