HAA means hepatitis-associated antigen in FDA
Similar to HAA
AARP - American Association of Retired PersonsAAS - 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
ABC - American Blood Commission
View all in FDA