What does ATRA stand for?

What does ATRA mean?

ATRA	American Tort Reform Association Business » Accounting
ATRA	Arizona Tax Research Association Community » Non-Profit Organizations
ATRA	The Automatic Transmission Rebuilders Association Business » Professional Organizations
ATRA	Attention Thieving Rabid Anteater Miscellaneous » Unclassified
ATRA	American Thailand Ridgeback Association Business » Professional Organizations
ATRA	All Trans Retinoic Acid Miscellaneous » Unclassified
ATRA	Alberta Tobacco Reduction Alliance Miscellaneous » Unclassified
ATRA	Alternative Transportation Recreational Association Business » Professional Organizations
ATRA	American Tax Relief Act Community » Law