| NSGI | nonspecific genital infection |
|---|---|
| NSI | negative self-image; no signs of infection/inflammation; non-syncytium-inducing |
| OI | obturator internus; occasional insomnia; opportunistic infection; opsonic index; orgasmic impairment... |
| OPSI | overwhelming postsplenectomy infection |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| URI | upper respiratory tract infection |
|---|---|
| WPI | week post infection |