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,
Development of AMSTAR: a measurement tool to assess the methodological quality of systematic reviews BMC Medical Research Methodology. ,vol. 7, pp. 10- 10 ,(2007) ,
10.1186/1471-2288-7-10