There are multiple definitions:

1. sympathetic nervous system(English)

   • PSNS, NE, BB, BP, CBD, CPG, CVLM, HCSB, HF, HTN, OSA, PNS, RAAS, RTN, RVLM, HFrEF, LVEF
   • Nervous activity - (para)sympathetic, Genomics, Cardiology, Biomarker
   • https://doi.org…eart.00007.2003
   • https://doi.org….1002/ejhf.2819
   • https://doi.org…3/ehjci/jeae098

2. Strategic National Stockpile(English)

   • a national repository of antibiotics, chemical antidotes, antitoxins, life-support medications, IV administration, airway maintenance supplies, and medical/surgical items
   • CDC
   • Emergency medicine
   • https://remm.hhs.gov/sns.htm

3. social networking site(English)

   • internet-based platform that enables connection and communication between users - increasingly salient social environments for young adults and, consequently, offer tremendous opportunity for HIV behavioral research and intervention among vulnerable populations. Component within a conceptual model combining gratification theory, and social impact theory, in order to understand the factors that predict fake news sharing
   • E-E, SAS, COVID-19, HIV, YBMSM
   • Communication, Social media
   • https://doi.org…093/her/cyaa030
   • https://doi.org…0461-018-2087-4

4. superficial needle-scraping(English)

   • performed by scraping off 5 small pustules with the tip of a needle for microscopic examination
   • SSSB
   • Biopsy, Microscopy
   • https://doi.org…47/CCID.S358000

5. Sick Neonatal Score(English)

   • ESNS, MSNS
   • Health status, Neonatology, Scoring systems/scales
   • https://doi.org…59/cureus.28414