AANS means American Association of Neurological Surgeons in FDA
Similar to AANS
AAR - After Action ReviewAARP - American Association of Retired Persons
AAS - Acute Abdominal Series
AASRP - American Association of Small Ruminant Practitioners
AATB - American Association of Tissue Banks
AAVLD - American Association of Veterinary Laboratory Diagnosticians
AB - Analysis Branch
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