Distinguishing between "no evidence of effect" and "evidence of no effect" in randomised controlled trials and other comparisons.
D016001:Confidence Intervals; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011237:Predictive Value of Tests; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D012680:Sensitivity and Specificity; D016896:Treatment Outcome