Cook, T. D., & DeMets, D. L. (2008). Introduction to statistical methods for clinical trials. Chapman & Hall/CRC.
Dyfyniad Arddull ChicagoCook, Thomas D., and David L. DeMets. Introduction to Statistical Methods for Clinical Trials. Boca Raton: Chapman & Hall/CRC, 2008.
Dyfyniad MLACook, Thomas D., and David L. DeMets. Introduction to Statistical Methods for Clinical Trials. Chapman & Hall/CRC, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.