| NTV | nerve tissue vaccine |
|---|---|
| OPV | oral polio vaccine |
| PKV | killed poliomyelitis vaccine |
| PPV | pneumococcal polysaccharide vaccine; porcine parvovirus; positive predictive value; positive pressur... |
| PV | pancreatic vein; papillomavirus; paraventricular; paravertebral; pemphigus vulgaris; peripheral vasc... |