There are multiple definitions:

1. giant cell arteritis(English)

   • a disease hallmarked by vasculitis of medium-sized and larger vessels. It may involve any of the cranial arteries, such as the superficial temporal, facial, ophthalmic, and occipital arteries; aka temporal arteritis
   • AAION, TA, CRP, ESR
   • Vascular disease
   • https://doi.org…-6056-4.00102-7

2. global cervical angle(English)

   • GL, GLA, GTA, PI, PT, SVA
   • Spine (or spinal cord), Musculoskeletal system
   • https://doi.org…000000000003379

3. GezondheidsCentrum Asielzoekers(Dutch)

   • sinds 1971 is dit GZA
   • GZA
   • Health care
   • https://www.gzasielzoekers.nl/