de Medina, Fermín Sánchez2025-01-072025-01-072016https://hdl.handle.net/10668/28112enSimilar but Not the Same?research article27542139open access10.1097/MIB.00000000000008771536-4844https://academic.oup.com/ibdjournal/article-pdf/22/9/E31/23404381/ibd0e31a.pdf