BUT

There are multiple definitions:

break-up time(English)
- there is a significant negative correlation between age and tear film BUT
- Ophthalmology
- https://doi.org…tha.2007.06.031
Body Uneasiness Test(English)
- GD, HC, KS, PIQ, RME, SAST, SCL-90-R, TIQ, VIQ
- Psychology
- https://doi.org….1111/jsm.13048