| PPM | permanent pacemaker; phosphopentomutase; physician practice management; pigmented pupillary membrane... |
|---|---|
| PPP | pain perception profile; palatopharyngoplasty; palmoplantar pustulosis; pentose phosphate pathway; p... |
| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysacc... |
| P&R | pelvic and rectal [examination]; pulse and respiration |
| PRF | partial reinforcement; patient report form; perforin; plasma recognition factor; pontine reticular f... |