1. Li FC, Tian DD . Salvia miltiorrhiza roots against cardiovascular disease: consideration of herb-drug interactions. BioMed Res Int 2017; 2017: 9868694.
2. Higgins JPT, Green S . Cochrane handbook for systematic reviews of interventions version 5.1.0. The Cochrane Collaboration 2011.
3. Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche P, Ioannidis J, et al. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration. BMJ 2009; 6: e1000100.
4. Moher D, Hopewell S, Schulz KF, Montori V, Gøtzsche P, Devereaux P, et al. CONSORT 2010 explanation and elaboration: updated guidelines for reporting parallel group randomised trials. J Clin Epidemiol 2010; 63: e1–37.
5. Review Manager (RevMan) Program RMRC. Version 5.1. Copenhagen: The Nordic Cochrane Centre, The Cochrane Collaboration 2011.