| LIP | lipase; lipocortin; lithium-induced polydipsia; lymphoid interstitial pneumonitis |
|---|---|
| OIP | organizing interstitial pneumonia |
| PIE | postinfectious encephalomyelitis preimplantation embryo; prosthetic infectious endocarditis; pulmona... |
| PIF | paratoid isoelectric focusing variant protein; peak inspiratory flow; proinsulin-free; prolactin-inh... |
| PIPE | persistent interstitial pulmonary emphysema |