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RT @Mattjones0203: Number Of Clinical Trial Study Sites Impacts Observed Treatment Effect Size: An Analysis Of Randomized Controlled Trials…
RT @Mattjones0203: Number Of Clinical Trial Study Sites Impacts Observed Treatment Effect Size: An Analysis Of Randomized Controlled Trials…
Number Of Clinical Trial Study Sites Impacts Observed Treatment Effect Size: An Analysis Of Randomized Controlled Trials Of Opioids For Chronic Pain. by Meske DS, Vaughn BJ, Kopecky EA, Katz N https://t.co/tdCqdo0Zq8