There are multiple definitions:

1. transcutaneous osseointegrated implant(English)

   • well established method for unilateral conductive, mixed, or sensorineural hearing loss as well as bilateral mixed or conductive loss; implants include percutaneous implants with an abutment and transcutaneous implants which use an implanted magnet
   • FEA, CHL
   • ENT, Auditory system
   • https://doi.org…maoto.2018.0911

2. time of injection(English)

   • referring to the injection of the PET-tracer
   • PET
   • Medical imaging

3. tissue oxygenation index(English)

   • refers to muscle oxidative metabolism using near-infrared spectroscopy
   • VOL, EMS, MVC
   • Oxygen, Myocyte / muscle, Metabolism
   • https://doi.org…0421-009-1118-2

4. trial outcome index(English)

   • BRCA, HRQoL, OC, TWIST, EWB, FWB, SWB, PWB
   • Clinical trials, Scoring systems/scales, Quality and outcomes, Health status
   • https://doi.org…2045(21)00098-X
   • https://doi.org…017.2.JNS161659