| PID | pain intensity difference [score]; pelvic inflammatory disease; photoionization detector; picture im... |
|---|---|
| PIVD | protruded intervertebral disk |
| HID | headache, insomnia, depression [syndrome]; herniated intervertebral disc; human infectious dose; hyp... |
| IV | ichthyosis vulgaris; initial visit; interventricular; intervertebral; intravaginal; intravascular; i... |
| IVD | intervertebral disc |