Preface.
Bianchi Porro
Gabriele
G
Department of Clinical Sciences, Chair of Gastroenterology, L Sacco University Hospital, Via G B Grassi, 74, 20157 Milan, Italy. gabriele.bianchiporro@unimi.it
D003938:Diagnostic Techniques, Digestive System; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D041981:Gastrointestinal Tract / Q000473:pathology*; D006801:Humans