| HFRS | Hemorrhagic Fever with Renal Syndrome [HP 849-50] = Korean Hemorrhagic Fever &nbs... |
|---|---|
| IP | icterus praecox; imaging plate; immune precipitate; immunoblastic plasma; immunoperoxidase technique... |
| HO | hand orthosis; heterotopic ossification; high oxygen; hip orthosis; history of; Holt-Oram [syndrome]... |
| OALL | ossification of anterior longitudinal ligament |
| OPLL | ossification of posterior longitudinal ligament |