Williamson, P., Gamble, C., Altman, D., & Hutton, J. (2005). Outcome selection bias in meta-analysis.
Lua i Stíl Chicago (17ú heag.)Williamson, P., C. Gamble, D. Altman, agus J. Hutton. Outcome Selection Bias in Meta-analysis. 2005.
Lua MLA (9ú heag.)Williamson, P., et al. Outcome Selection Bias in Meta-analysis. 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.