title: Reliability of American Society of Anesthesiologists physical status classification.
authors.affiliation: Department of Anesthesia, Hospital of Imola, Diagnostic and Specialty Medicine, University of Bologna, Italy.
authors.forename: Nicola
authors.initials: N
authors.lastname: Parenti
authors.affiliation: Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Italy.
authors.forename: Maria Letizia Bacchi
authors.initials: ML
authors.lastname: Reggiani
authors.affiliation: Librarian, University of Parma, Italy.
authors.forename: Daniela
authors.initials: D
authors.lastname: Percudani
authors.affiliation: Department of Medical and Surgical Sciences, University of Bologna, Italy.
authors.forename: Rita Maria
authors.initials: RM
authors.lastname: Melotti