| LRTI | lower respiratory tract illness; lower respiratory tract infection |
|---|---|
| AION | Anterior Ischemic Optic Neuropathy |
| AION | anterior ischemic optic neuropathy |
| BOR | basal optic root; before time of operation; bowels open regularly; branchio-oto-renal [syndrome] |
| COT | colony overlay test; content of thought; contralateral optic tectum; critical off-time |