| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysacc... |
|---|---|
| ProPAC | Prospective Payment Assessment Commission |
| PRSIS | Prospective Rate Setting Information System |
| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |