| AAofA | Ambulance Association of America |
|---|---|
| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
| CSAA | Child Study Association of America |
| EAA | electroacupuncture analgesia; Epilepsy Association of America; essential amino acid; excitatory amin... |
| EFA | Epilepsy Foundation of America; essential fatty acid; extrafamily adoptee |