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The citation problem Truth in Advertising, a consumer watchdog organization, investigated EllieMD sublingual drops and found a troubling pattern
Evidence of content validity (i.e., the extent to which the content of an instrument is an adequate reflection of the construct to be measured) [20] and is measuring what is important to patients within the intended context of use is often regarded as the most important measurement property of PRO measures [21]
Any of these warrant a protocol reassessment and potentially a conversation with a healthcare provider
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