| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
|---|---|
| MDIS | medical diagnostic imaging support; medical diagnostic imaging system |
| PaO2 | partial oxygen tension in arterial blood; partial pressure of oxygen in arterial blood |
| PH | parathyroid hormone; partial hepatectomy; partial hysterectomy; passive hemagglutination; past histo... |
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |