There are multiple definitions:

1. toe-brachial index(English)

   • the ratio of toe to brachial blood pressures. A value of <0.7 is generally considered to be abnormal
   • ABI, PBI, CLTI
   • Hemodynamics, Ratio-based metric
   • https://doi.org…jnl-2019-316164

2. traumatic brain injury(English)

   • bTBI, DOD, OEF, PTSD, UPS, MR, WASI, I-InTERACT, BRS, ToM, ciTBI, MHT, BINT
   • Injury, Brain (dys)function, Post-traumatic state, Disability
   • https://doi.org…873-021-00540-1

3. total body irradiation(English)

   • Radiotherapy /radiation, Therapeutic approaches