| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
|---|---|
| PDE | paroxysmal dyspnea on exertion; phosphodiester; progressive dialysis encephalopathy; pulsed Doppler ... |
| PDH | past dental history; phosphate dehydrogenase; position-of-the-dynamometer-handle [test]; progressive... |
| PDL | pancreatic duct ligation; periodontal ligament; poorly differentiated lymphocyte; population doublin... |
| PEO | progressive external ophthalmoplegia |