There are multiple definitions:

1. nucleophosmin(English)

   • a gene
   • FLT3-ITD, AML, NRAS, PCR

2. nonlinear projection method(English)

   • Nonlinear analysis/system

3. non-prescription medicine(English)

   • Pharmacology / pharmaceutics

4. neurophysiological monitoring(English)

   • a valuable adjunct to endovascular treatment
   • SSEP, IOM, EMG, EEG
   • Electrophysiology, Surgery, Monitoring
   • https://doi.org…1093/ons/opz028