Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| 12 hours | 17 studies | 7,102 studies |
| 12H | 6 studies | 1,637 studies |
| hours | 33 studies | 71,465 studies |
| hrs | -- | 2,670 studies |
| -- | No studies found |
| * | Number of studies in the search results containing the term or synonym |
| ** | Number of studies in the entire database containing the term or synonym |