(Acetylalanyl)histidine Aluminum - Biochemistry
American Academy of Health Administration (EA)
American Academy of Healthcare Attorneys (NTPA)
American Academy of Hospital Attorneys (EA)
American All Hobbies Association (SAUO)
American Animal Hospital Association - Medicine (EDAA)
American Association of Handwriting Analysts (EA)
American Association of Hospital Accountants - Later, HFMA (EA)
Association of Alaska Housing Authorities (SAUO)
Awaiting Action - of Higher Authority - Army
Awaiting Action Higher Headquarters - Military (MLEX)
Awaiting Action of Higher Authority (SAUS)
Awaiting Action of Higher Authority (AD)