- Basic Pubmed Searching: Ebbert et al. Mayo Clin Proc. 2003; 78: 87-91.
- Advanced Pubmed Searching: Sood et al. Mayo Clin Proc. 2004; 79(10): 1295-1300.
- CONSORT (Reporting Guidelines for Randomized Controlled Trials): Moher et al. JAMA. 2001; 285: 1987-1991.
- STROBE (Reporting Guidelines for Observational Studies): von Elm et al. Ann Intern Med. 2007; 147: 573-577.
- QUOROM (Reporting Guidelines for Meta-analyses of Randomized Controlled Trials): Moher et al. Lancet. 1999; 354: 1896-1900.
- MOOSE (Reporting Guidelines for Meta-analyses of Observational Studies): Stroup et al. JAMA. 2000; 283: 2008-2012.
- AMSTAR (Reporting Guidelines for Systematic Reviews): BMC Medical Research Methodology. 2007, 7:10.
- Jadad Score (Quality Scale for Randomized Controlled Trials): Jadad et al. Controlled Clinical Trials. 1996; 17: 1-12.
- GRADE System (Approach to Guideline Development): Grade Working Group. BMJ. Volume 328. June 10, 2004.

