There are multiple definitions:

1. total lymphoid irradiation(English)

   • TNI
   • Radiotherapy /radiation, Lymphatic system/lymphoma

2. terminal latency index(English)

   • CIDP
   • Electrophysiology
   • https://doi.org…55-9562.1000307

3. time-lapse incubator(English)

   • CI, COI, FSH, ICSI, IVF, SET, SI
   • Embryology /reproduction
   • https://doi.org…0815-012-9750-x

4. Tucker Lewis index(English)

   • eHEALS, HQ, MASH, CFI
   • Statistics
   • https://doi.org/10.2196/28252
   • https://doi.org…155/2015/290425