title: Two considerations on analgesic gastrointestinal tolerance.
authors.affiliation: Department of Gastroenterology and Hepatology, S. Giovanni Battista (Molinette) Hospital, Turin, Italy - rinaldo_pellican@hotmail.com.
authors.forename: Rinaldo
authors.initials: R
authors.lastname: Pellicano
authors.forename: Giovanni C
authors.initials: GC
authors.lastname: Actis
authors.forename: Giorgio M
authors.initials: GM
authors.lastname: Saracco
mesh_terms: D000700:Analgesics; D000701:Analgesics, Opioid; D004361:Drug Tolerance; D006801:Humans
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid