TDD means telecommunications device for the deaf in FDA
Similar to TDD
AAHA - American Animal Hospital AssociationAAI - American Association of Immunologists
AALAS - American Association for Laboratory Animal Science
AAMI - American Association for Medical Instrumentation
AANN - American Association of Neurosciences Nurses
AANS - American Association of Neurological Surgeons
AAO - American Academy of Ophthalmology
View all in FDA