| DD | dangerous drug; data definition; day of delivery; degenerated disc; degenerative disease; delusional... |
|---|---|
| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
| SPD | schizotypal personality disorder; sociopathic personality disorder; specific paroxysmal discharge; s... |
| PAF | paroxysmal atrial fibrillation; peroxisomal assembly factor; phosphodiesterase-activating factor; pl... |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |