| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
| VATS | Video Assisted Thoracoscopic Surgery, Video-assisted thoracic surgery |
| ECCE | Extra-Capsular Cataract Extraction |
| ICCE | Intra-Capsular Cataract Extraction |