There are multiple definitions:

1. American Dental Society of Anesthesiology(English)

   • not-for-profit society dedicated to pain and anxiety control in dentistry
   • Dentistry, Pain
   • https://www.adsahome.org/

2. arterial digital subtraction angiography(English)

   • CTA, DSA, IDSA
   • Medical imaging

3. American Dairy Science Association(English)

   • PD
   • Nutrition, Organizations (scientific), Veterinary medicine

4. axisymmetric drop shape analysis(English)

   • gastric aspirate analyses are fast and informative approaches for lung maturity assessment
   • GA, BAM, MSD, NRDS, AS, CST
   • Neonatology, Pulmonology
   • https://doi.org…yon.2019.e03072