There are multiple definitions:

1. subjects per variable(English)

   • EPV
   • Statistics

2. sociaal-psychiatrisch verpleegkundige(Dutch)

   • AGCT, GGZ, POH
   • Nurse / nursing, Psychiatry

3. slow phase [eye] velocity(English)

   • used to measure amplitude of nystagmic eye movement
   • pUVL, tUVL, SVINT, SVN
   • Ophthalmology
   • https://doi.org…neur.2016.00018
   • https://doi.org…orl.2007.05.001