There are multiple definitions:
naltrindone(English)
- refers to food intake and brain function
- GABA-B, BFNA, GABA, NAC, NBNI, NTX, VTA
- Brain (dys)function
- https://doi.org…res.2012.01.015
narrow therapeutic index(English)
- drugs should have more stringent bioequivalence standards for approval of generic formulations
- TI
- Standards, Pharmacology / pharmaceutics
- https://doi.org…000000000000364
Nuclear Threat Initiative(English)