| MH | malignant histiocytosis; malignant hyperpyrexia; malignant hypertension; malignant hyperthermia; mam... |
|---|---|
| NIHS | National Institute of Hypertension Studies |
| NREH | normal renin essential hypertension |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| OHT | ocular hypertension |