| H&L | heart and lung [machine] |
|---|---|
| MARC | machine-readable cataloging; multifocal and recurrent choroidopathy |
| MRAB | machine-readable archives in biomedicine |
| MRI | machine-readable identifier; magnetic resonance imaging; medical records information; Medical Resear... |
| MSMAID | machine, suction, monitor, airway equipment, intravenous line, drugs [for bronchoscopy] |