D for Health
Pain Chart
Pain Level vs Serum Level Using data provided by participants in the D*action study, GrassrootsHealth was able to compare 25(OH)D serum levels with location and severity
June 27, 2016
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How to search
- Quotation marks for an exact phrase Finds the words side by side, in that order, and nothing else. The quickest way to cut a long list down.
- The same words without quotation marks Finds anything containing every word, anywhere in it — the words need not be together. Press both and watch the difference.
- Minus to leave something out Drops anything containing that word. Use -"two words" for a phrase.
- Plus to insist on a word Every word is required already. A plus keeps that word required even when a search finds nothing and widens itself.
- OR for either word Capital OR. Useful when the same thing goes by two names.
The buttons above the results narrow things down without typing anything.
Popular searches
Tip: quotation marks narrow a search
- finds both words anywhere
- finds that exact phrase only
