| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
|---|---|
| PMSF | phenylmethylsulfonyl fluoride |
| PVDF | polyvinylidene difluoride; polyvinyl diisopropyl fluoride |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |