Camerota Filippo, Celletti Claudia, Castori Marco, Grammatico Paola, Padua Luca
Physical Medicine and Rehabilitation Division, Umberto I Hospital, Rome, Italy.
Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy.
J Pain Symptom Manage. 2011 Jan;41(1):e2-4. doi: 10.1016/j.jpainsymman.2010.09.012. Epub 2010 Dec 8.