| LAO | left anterior oblique; left atrial overload; Licentiate of the Art of Obstetrics |
|---|---|
| LIO | left inferior oblique |
| LOIH | left oblique inguinal hernia |
| LPO | lactoperoxidase; left posterior oblique; light perception only; lipid peroxidation |
| LSO | lateral superior olive; left salpingo-oophorectomy; left superior oblique; lumbosacral orthosis |