| MM | macromolecule; Maelzels metronome; major medical [insurance]; malignant melanoma; manubrium to malle... |
|---|---|
| NMF | N-methylformamide; National Medical Fellowship; National Migraine Foundation; nonmigrating fraction |
| OPM | occult primary malignancy; Office of Personnel Management; ophthalmoplegic migraine |
| CDH | 1) Chronic Daily Headache = CTH = ... |
| CTH | Chronic Tension Headache |