APA

Walter S. D., Macaskill P., Turner R., Guyatt G., Cook R. & Prasad K. (20200727). Comment to the reply letter: Letter to the Editor: Preference option randomized design (PORD) for comparative effectiveness research: Statistical power for testing comparative effect, preference effect, selection effect, intent-to-treat effect, and overall effect (SMMR, Vol. 28, Issue 2, 2019). : Statistical methods in medical research.

Chicago

Walter S D, Macaskill Petra, Turner Robin, Guyatt Gordon, Cook Richard and Prasad Kameshwar. 20200727. Comment to the reply letter: Letter to the Editor: Preference option randomized design (PORD) for comparative effectiveness research: Statistical power for testing comparative effect, preference effect, selection effect, intent-to-treat effect, and overall effect (SMMR, Vol. 28, Issue 2, 2019). : Statistical methods in medical research.

Harvard

Walter S. D., Macaskill P., Turner R., Guyatt G., Cook R. and Prasad K. (20200727). Comment to the reply letter: Letter to the Editor: Preference option randomized design (PORD) for comparative effectiveness research: Statistical power for testing comparative effect, preference effect, selection effect, intent-to-treat effect, and overall effect (SMMR, Vol. 28, Issue 2, 2019). : Statistical methods in medical research.

MLA

Walter S D, Macaskill Petra, Turner Robin, Guyatt Gordon, Cook Richard and Prasad Kameshwar. Comment to the reply letter: Letter to the Editor: Preference option randomized design (PORD) for comparative effectiveness research: Statistical power for testing comparative effect, preference effect, selection effect, intent-to-treat effect, and overall effect (SMMR, Vol. 28, Issue 2, 2019). : Statistical methods in medical research. 20200727.