| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| HCL | hairy-cell leukemia; human cultured lymphoblasts |
| HCl | hydrogen chloride |
| PE | Edinburgh Pharmacopoeia; pancreatic extract; paper electrophoresis; partial epilepsy; pelvic examina... |
| PHE | periodic health examination; phenylephrine |