|
Resolution: standard / high Figure 1.
Flow diagram of the study selection for the meta-analyses.
Peng et al. BMC Medicine 2011 9:71 doi:10.1186/1741-7015-9-71 |
|
Resolution: standard / high Figure 1.
Flow diagram of the study selection for the meta-analyses.
Peng et al. BMC Medicine 2011 9:71 doi:10.1186/1741-7015-9-71 |
