Götz, Vera Nina (December 2013). «Crohn's disease—What the medical registrar and acute physician needs to know!». Journal of Acute Medicine3 (4): 132–137. doi:10.1016/j.jacme.2013.10.001.
Nóbrega, Viviane Gomes; Silva, Isaac Neri de Novais; Brito, Beatriz Silva; Silva, Juliana; Silva, Maria Carolina Martins da; Santana, Genoile Oliveira (September 2018). «The Onset of Clinical Manifestations in Inflammatory Bowel Disease Patients». Arquivos de Gastroenterologia55 (3): 290–295. doi:10.1590/S0004-2803.201800000-73. PMID30540094.
Nóbrega, Viviane Gomes; Silva, Isaac Neri de Novais; Brito, Beatriz Silva; Silva, Juliana; Silva, Maria Carolina Martins da; Santana, Genoile Oliveira (September 2018). «The Onset of Clinical Manifestations in Inflammatory Bowel Disease Patients». Arquivos de Gastroenterologia55 (3): 290–295. doi:10.1590/S0004-2803.201800000-73. PMID30540094.