| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| EM | 1) Erythro-Mycin 2) Electron Microscopy |
| Em | 1) Erythro-mycin 2) Emmetropia(Normal Vision) |
| KM | Kana-Mycin |
| NM | 1) Neuro-Muscular 2) Neo-Mycin |