There are multiple definitions:
nasal obstruction symptom evaluation(English)
- a valid, reliable, and responsive instrument that is brief and easy to complete and has potential use for outcomes studies in adults with nasal obstruction
- ENT, Scoring systems/scales
- https://doi.org…hns.2003.09.016
natural orifice specimen extraction(English)
- adoption of the method by surgeons who typically perform colectomies in this fashion would be faced with a steeper learning curve than surgeons who use the mini-laparotomy solely as a specimen extraction site
- ASA, BMI, DVT, TME, UTI, CRC, FAP
- Gastroenterology, Surgery
- https://doi.org…147/CEG.S135331