| APS | adenosine phosphosulfate; American Pain Society; American Pediatric Society; American Physiological ... |
|---|---|
| ASFR | age-specific fertility rate |
| ASO | administrative services only; allele-specific oligonucleoside; antistreptolysin O; arteriosclerosis ... |
| BGSA | blood granulocyte-specific activity |
| CCS | Canadian Cardiovascular Society; casualty clearing station; cell cycle specific; cholecystosonograph... |