|
Barroso et al. (2003) [10]
|
152
|
Overviews
|
|
Booth (2006) [12]
|
92
|
Standards
|
|
Cooke et al. (2012) [13]
|
46
|
Question formulation
|
|
Evans (2002) [14]
|
116
|
Overviews
|
|
Finfgeld‐Connett and Johnson (2013) [15]
|
21
|
Overviews
|
|
Flemming and Briggs (2007) [16]
|
90
|
Filters
|
|
Grant (2004) [17]
|
35
|
Filters
|
|
Grayson and Gomersall (2003) [18]
|
59
|
Sources
|
|
McKibbon et al. (2006) [19]
|
45
|
Filters
|
|
Papaioannou et al. (2010) [20]
|
54
|
Supplementary strategies
|
|
Shaw et al. (2004) [21]
|
146
|
Filters
|
|
Subirana et al. (2005) [22]
|
31
|
Sources
|
|
Walters et al. (2006) [23]
|
31
|
Filters
|
|
Wilczynski et al. (2007) [24]
|
48
|
Filters
|
|
Wong et al. (2004) [25]
|
97
|
Filters
|
|
Total
|
1063
| |
