https://www.cochrane.org/de/evidence/CD001801_grommets-ventilation-tubes-hearing-loss-associated-otitis-media-effusion-children
Grommets (ventilation tubes) for hearing loss associated with otitis media with effusion in...
ventilation tubeshearing loss
https://pure.psu.edu/en/publications/numerical-simulation-of-flow-from-asymmetrical-high-frequency-ven/
Numerical simulation of flow from asymmetrical high-frequency ventilation in the bronchial tubes -...