There are multiple definitions:

1. glottal spectrum(English)

   • EDS, EMS, FMT, FBW, GLT
   • Mouth, esophagus and stomach

2. global longitudinal strain(English)

   • informs about local myocardial deformation
   • GCS, GRS, RVA, RVS, MRI, AFI, ALS, BLS, MLS, LAGLS, COPD, LVGLS, TMAD, PWV/GLS
   • Cardiology, Medical imaging, Ratio-based metric
   • https://doi.org…1111/echo.13278
   • https://doi.org…0/kcj.2021.0188
   • https://doi.org….1002/jcu.23568

3. generalized least squares(English)

   • technique for estimating the unknown parameters in a linear regression model when there is a certain degree of correlation between the residuals in a regression model
   • OLS, FGLS, BLUE
   • Statistics
   • https://www.sta…d-least-squares

4. genital lichen sclerosus(English)

   • IGA, VAS
   • Dermatology
   • https://doi.org…634.2012.751086