There are multiple definitions:

1. single photon absorptiometry(English)

   • DPA, SXA

2. self-perceived ability(English)

   • Disability

3. stimulus produced analgesia(English)

   • Anesthesiology/analgesia, Pain

4. standard peritoneal permeability analysis(English)

   • a modification and extension of the peritoneal equilibration test: glucose 1.36% dialysate is used, to which dextran 70 (1 g/liter) is added for the calculation of fluid kinetics
   • CKD, ESKD, GFR, HD, MTAC, PD, SAPD, SPA, UFR, PET
   • Nephrology
   • https://advance…esting-methods/

5. subperiosteal abscess(English)

   • RS
   • Ophthalmology, Immunology, Allergy
   • https://doi.org…48.2022.2026415

6. self-perceptions of aging(English)

   • refers to impact of subjective aging on mortality
   • SA
   • Aging, Psychology
   • https://doi.org…037/pspp0000412

7. single port access(English)

   • type of surgery developed as an alternative to traditional multiport laparoscopy, potentially exploiting the already proven benefits of minimally invasive surgery
   • LESS, MIS, TU-LESS
   • Surgery
   • https://doi.org…X12674612014509

8. solitary parathyroid adenoma(English)

   • 99mTc-MIBI, GP-MIP, PS, PTH, QPTH, USG
   • Thyroid and parathyroid, Gland(ular), Oncology
   • https://doi.org…4274/Mirt.69885