Dyfyniad APA

Peto, R., Collins, R., & Gray, R. (1993). Large-scale randomized evidence: Large, simple trials and overviews of trials.

Dyfyniad Arddull Chicago

Peto, R., R. Collins, and R. Gray. Large-scale Randomized Evidence: Large, Simple Trials and Overviews of Trials. 1993.

Dyfyniad MLA

Peto, R., et al. Large-scale Randomized Evidence: Large, Simple Trials and Overviews of Trials. 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.