There are multiple definitions:

1. androgenic anabolic steroid(English)

   • may refer to analytical techniques for antidoping and forensic purposes. See testosterone
   • DHEA, BC, LA, SNB, ABP, EBP, ERC, GC-MS, WADA
   • Hormone, Andrology, Sports medicine, Forensic medicine
   • https://pubchem…rone-propionate
   • https://doi.org…955711795445943

2. acute abdominal series(English)

   • Gastroenterology

3. atomic absorption spectrometry(English)

   • GF-AAS
   • Spectrometry, Clinical chemistry
   • https://doi.org…155/2014/740105

4. atlantoaxial subluxation(English)

   • results from a developmental abnormality of the odontoid process of the axis (dens), such as malformation, absence, or separation from the axis. The excessive mobility of the atlantoaxial joint results in repetitive or constant spinal cord compression. Congenital absence of the dens, the most extreme form of AAS, produces significant loss of stability between the atlas and the axis
   • Musculoskeletal system, Congenital disorders, Spine (or spinal cord)
   • https://doi.org…48420-6.00053-3

5. American Autonomic Society(English)

   • ABPM, BP, EFAS
   • Organizations (scientific)
   • https://america…micsociety.org/
   • https://doi.org…0286-018-0529-8

6. Active Australia Survey(English)

   • CFS, PA, PALS, PASB-Q, QAPAQ
   • Lifestyle, Exercise & Training
   • https://doi.org…2874-020-0896-4