APA (7th ed.) Citation

Yuan Qiu, M., Carl van Walraven, M., & Fraser D. Rubens, M. Commentary: Muddying the waters: Limitations of secondary subgroup analyses of randomized controlled trialsCentral Message. Elsevier.

Chicago Style (17th ed.) Citation

Yuan Qiu, MD, MD Carl van Walraven, and MD Fraser D. Rubens. Commentary: Muddying the Waters: Limitations of Secondary Subgroup Analyses of Randomized Controlled TrialsCentral Message. Elsevier.

MLA (9th ed.) Citation

Yuan Qiu, MD, et al. Commentary: Muddying the Waters: Limitations of Secondary Subgroup Analyses of Randomized Controlled TrialsCentral Message. Elsevier.