| PPV | pneumococcal polysaccharide vaccine; porcine parvovirus; positive predictive value; positive pressur... |
|---|---|
| inj | injection; injury, injured, injurious |
| PPB | platelet-poor blood; pneumococcal pneumonia and bacteremia; positive pressure breathing |
| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysacc... |
| DEV | Duck Embryo Vaccine |