| I&I | illness and injuries |
|---|---|
| LRI | lamina rara interna; lower respiratory [tract] illness; lower respiratory [tract] infection; lymphoc... |
| LRTI | lower respiratory tract illness; lower respiratory tract infection |
| MDI | manic-depressive illness; metered dose inhaler; multiple daily injection; Multiscore Depression Inve... |
| MI | first meiotic metaphase; maturation index; medical illustrator; medical informatics; medical inspect... |