| PBA | polyclonal B-cell activity; pressure breathing assist; prolactin-binding assay; prune belly anomaly;... |
|---|---|
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| PIH | periventricular-intraventricular hemorrhage; phenyl isopropylhydrazine; pregnancy-induced hypertensi... |
| PIP | paralytic infantile paralysis; peak inflation pressure, peak inspiratory pressure; periodic interim ... |
| PL | palmaris longus; pancreatic lipase; perception of light; peroneus longus; phospholipase; phospholipi... |