Genomics & Health Impact Scan Database|Search|PHGKB
The tier level is assigned to the guideline, NOT to the specific search terms. For example, a Tier 1 guideline has at least one recommendation that meets criteria for Tier 1, but also could include tier 2 or 3 recommendations.
DO read the guidelines to find out about specific search terms.
DON’T rely on the overall tier classification of the guideline for the specified search terms.
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Sleep Disorders[orginal query]