title: Observational studies on prescription practices: interpret with caution.
authors.affiliation: Gastroenterology Unit, Department of Internal Medicine, Genoa University, Genova 16132, Italy. vsavarin@unige.it
authors.forename: Vincenzo
authors.initials: V
authors.lastname: Savarino
authors.forename: Pietro
authors.initials: P
authors.lastname: Dulbecco
mesh_terms: D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced* / Q000517:prevention & control*; D016481:Helicobacter Infections / Q000150:complications / Q000453:epidemiology; D016480:Helicobacter pylori / Q000302:isolation & purification; D006801:Humans; D007558:Italy / Q000453:epidemiology; D008875:Middle Aged; D019370:Observation; D010437:Peptic Ulcer / Q000139:chemically induced / Q000382:microbiology / Q000517:prevention & control*; D010818:Practice Patterns, Physicians'; D015995:Prevalence; D054328:Proton Pump Inhibitors / Q000627:therapeutic use*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D054328:Proton Pump Inhibitors