There are multiple definitions:

1. fuzi total alkaloid(English)

   • alkaloids might play a major role in the treatment of myocardial infarction
   • FPS, RAE
   • Cardiology, Therapeutic approaches
   • https://doi.org…90/ijms20194837

2. [radiographic] femur–tibia angle(English)

   • KOA, OAI
   • Knee, Medical imaging
   • https://doi.org…74.2018.1464314

3. fertility tracking application(English)

   • FAB, FABM, PI
   • Pregnancy, Mobile health
   • https://doi.org…bmo.2020.09.005
   • https://doi.org…ion.2017.08.014