| Inflamm | inflammation, inflammatory |
|---|---|
| NAI | net acid input; no accidental injury; no acute inflammation; nonadherence index |
| NIP | nipple; no infection present; no inflammation present |
| NSI | negative self-image; no signs of infection/inflammation; non-syncytium-inducing |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |