There are multiple definitions:

1. National Competence on Aging(English)

   • Aging, Gerontology/Geriatrics, Nurse / nursing
   • http://www.geronurseonline.org/

2. National Certification Agency for Medical Laboratory Personnel(English)

   • CLDir, CLPlb

3. Nationaal Centrum Alternatieven voor dierproeven(Dutch)

   • NVP
   • Experimental animal
   • https://nl.wiki…oor_dierproeven

4. no-carrier-added(English)

   • refers to a dose escalation study
   • MIBG, 131I-MIBG
   • Radiotherapy /radiation
   • https://doi.org…umed.111.098624