Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| 12 hours | 4 studies | 7,052 studies |
| 12H | -- | 1,622 studies |
| hours | 12 studies | 70,740 studies |
| hrs | -- | 2,649 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 |