| PPB | platelet-poor blood; pneumococcal pneumonia and bacteremia; positive pressure breathing |
|---|---|
| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysacc... |
| PPV | pneumococcal polysaccharide vaccine; porcine parvovirus; positive predictive value; positive pressur... |
| CRI | Cardiac Risk Index; catheter-related infection; chronic renal insufficiency; chronic respiratory ins... |
| URI | Upper Respiratory Infection; 상기도 감염 |