IS in FDA could mean:
Similar to IS
AABP - American Association of Bovine PractitionersAACR - American Association for Cancer Research
AADA - Abbreviated Antibiotic Drug Application
AAEP - American Association of Equine Practitioners
AAFCO - Association of American Feed Control Officials
AAFP - American Academy of Family Physicians
AAHA - American Animal Hospital Association
View all in FDA