| Tabs | tablets |
|---|---|
| HINT | hierarchical interpolation; Holland Interuniversity Nifedipine/Metoprolol Trial |
| INSIGHT | International Nifedipine Study Intervention as a Goal in Hypertension Treatment |
| INTACT | International Nifedipine Trial on Antiatherosclerotic Therapy |
| STONE | Shanghai Trial of Nifedipine in the Elderly |