TTR

TTR can refer to one of the following:

Time in therapeutic range, a metric of how well patients are managed on warfarin therapy.
Tap Tap Revenge, a video game.
Twin/Tone Records
Touch-Tone Receiver
Tonopah Test Range
TopTenReviews, a film and product review website
Ticket to Ride (World Snowboard Tour)
Total technology resources
Transthyretin, a plasma protein.
Time to repair or time to react, used in service level agreement conditions
Trinidad and Tobago Regiment
Thermal transfer ribbon, used in printing-/fax-machines
Talleyrand Terminal Railroad
Talking Taco Radio, an internet radio station
Tripping the Rift, a computer-animated TV Show that was aired on the Sci-Fi Channel
Tactical Training Rounds, similar to paintballs, see halo: contact harvest
To The Rescue (Internet Slang), used to exclaim something or someone has saved the day
Transition to Retirement (An Australian Government initiative)
Tuck Tail and Run

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