| MCI | mean cardiac index; methicillin; mucociliary insufficiency; muscle contraction interference |
|---|---|
| MI | first meiotic metaphase; maturation index; medical illustrator; medical informatics; medical inspect... |
| MRI | machine-readable identifier; magnetic resonance imaging; medical records information; Medical Resear... |
| NPII | Neonatal Pulmonary Insufficiency Index |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |