| MDC | major diagnostic categories; Metoprolol in Dilated Cardiomyography [trial]; minimum detectable conce... |
|---|---|
| MDIPT | Multicenter Diltiazem Postinfarction Trial |
| MRFIT | Multiple Risk Factor Intervention Trial |
| NCIC | CTG National Cancer Institute of Canada Clinical Trial Group |
| NOTT | nocturnal oxygen therapy trial |