| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| CI | cardiac index; cardiac insufficiency; cell immunity; cell inhibition; cephalic index; cerebral infar... |
| MI | first meiotic metaphase; maturation index; medical illustrator; medical informatics; medical inspect... |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| ISI | infarct size index; initial slope index; injury severity index; Institute for Scientific Information... |