Authors: Beverley J Shea; Jeremy M Grimshaw; George A Wells; Maarten Boers; Neil Andersson; Candyce Hamel; Ashley C Porter; Peter Tugwell; David Moher; Lex M Bouter Journal: BMC Med Res Methodol Date: 2007-02-15 Impact factor: 4.615
Authors: Beverley J Shea; Lex M Bouter; Joan Peterson; Maarten Boers; Neil Andersson; Zulma Ortiz; Tim Ramsay; Annie Bai; Vijay K Shukla; Jeremy M Grimshaw Journal: PLoS One Date: 2007-12-26 Impact factor: 3.240