• Scholarly report

Assessing risk of bias and confounding in observational studies of interventions or exposures Further development of the RTI item bank. Methods research report

(Prepared by RTI–UNC Evidence-based Practice Center under Contract No. 290-2007-10056-I).

Citation

Viswanathan, M., Berkman, N., Dryden, D., & Hartling, L. (2013). Assessing risk of bias and confounding in observational studies of interventions or exposures: Further development of the RTI item bank. Methods research report. (Agency for Healthcare Research and Quality; No. AHRQ Publication No. 13-EHC106-EF). Agency for Healthcare Research and Quality.