Similar to SQL

A-V - ArterioVenous
A-VO2 - ArterioVenous Oxygen
A/L - Annual Leave
A2LA - American Association for Laboratory Accreditation
AAA - Abdominal Aortic Aneurysm
AAALAC - Association for Assessment and Accreditation of Laboratory Animal Care International
AAAP - American Association of Avian Pathologists

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