| IVS | inappropriate vasopressin secretion; intervening sequence; interventricular septum; intervillous spa... |
|---|---|
| MPS | meconium plug syndrome; medial premotor system; Member of the Pharmaceutical Society; microbial prof... |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| PIRS | plasma immunoreactive secretion |
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |