There are multiple definitions:

1. singular value decomposition(English)

   • an approach that is conceptually equivalent, but computationally differentiated from eigenvector decomposition
   • ART, CBFM, ICA, ICP, IRLS, PCA, TIKH, TSVD, MNP, MWI, ROI, SDR, SLL, PC, QQ, SW
   • Medical imaging, Statistics
   • https://doi.org…OC.2015.2504266
   • https://doi.org/10.1113/JP285214

2. slow virus disease(English)

   • SSPE
   • Virology

3. single vessel disease(English)

   • CAD, CTO, MVD
   • Coronary circulation

4. structural valve degeneration(English)

   • represents a main limitation of the bioprosthetic heart valves
   • EOA, PPM, IR, PM
   • Cardiology, Biomaterials, Prosthetics
   • https://doi.org…85.2020.1858250
   • https://doi.org…06.2020.1717259

5. spontaneous vaginal delivery(English)

   • Obstetrics, Military medicine
   • https://doi.org…/milmed/usaa285

6. singular value decomposition(English)

   • ISTFT
   • Transform

7. small vessel disease(English)

   • CES, ESUS, nsCP, CVA, ASCOD, TOAST
   • Microcirculation, Pathology, Cerebrovascular event
   • https://doi.org…EAHA.123.044833
   • https://www.nej…6/NEJMcp1503946

8. sternovertebral distance(English)

   • patients with obstructive sleep apnea experience repetitive pectum excavatum-associated sternal depression during sleep
   • MIRPE, OSA, PE, Pex, RHI
   • Sleep medicine, Congenital disorders, Surgery
   • https://doi.org…al.pone.0277494