Rizzioli Emanuela, Incasa Elena, Gamberini Susanna, Savelli Sandra, Zangirolami Arnaldo, Tampieri Marilena, Manfredini Roberto
Department of Internal Medicine, Hospital of the Delta, Lagosanto, Ferrara, Italy.
Am J Emerg Med. 2007 Nov;25(9):1082.e1-4. doi: 10.1016/j.ajem.2007.02.045.