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)
Restricted accessLetterFirst published online May, 2019
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)
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