The Cochrane database of systematic reviews (2009) - Comments
pubmed: 19370639  doi: 10.1002/14651858.cd006532.pub2  issn: 1469-493x  issn: 1465-1858 

---

Andrea Cipriani, Claudio Santilli, Toshi A Furukawa, Alessandra Signoretti, Atsuo Nakagawa, Hugh McGuire, Rachel Churchill, Corrado Barbui