| PCD | pacer-cardioverter-defibrillator; papillary collecting duct; paraneoplastic cerebellar degeneration;... |
|---|---|
| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |
| PTBD | percutaneous transhepatic biliary drainage; percutaneous transluminal balloon dilatation |
| PTH | parathormone; parathyroid; parathyroid hormone; percutaneous transhepatic drainage; phenylthiohydant... |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |