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Montedori, Alessandro, Iosief Abraha, Carlos Chiatti, Francesco Cozzolino, Massimiliano Orso, Maria Laura Luchetta, Joseph M. Rimland, and Giuseppe Ambrosio. "Validity of Peptic Ulcer Disease and Upper Gastrointestinal Bleeding Diagnoses in Administrative Databases: A Systematic Review Protocol." BMJ Open 2016.

Montedori, Alessandro, et al. "Validity of Peptic Ulcer Disease and Upper Gastrointestinal Bleeding Diagnoses in Administrative Databases: A Systematic Review Protocol." BMJ Open 2016.