ETT

ETT may refer to:

Endotracheal tube
Embedded Training Team, a team of U.S. soldiers or Marines embedded with the Afghan National Army to help train its soldiers
Elementary Teachers of Toronto, a local of the Elementary Teachers' Federation of Ontario (ETFO) union.
Effect of the treatment on the treated (ETT or TOT) in an Observational study
Exercise tolerance testing (also known as cardiac stress testing)
Ergothioneine transporter (human gene symbol SLC22A4)
Evacuated tube transport, a new concept of a transportation system that makes use of vacuum pumps.
European Transactions on Telecommunications Journal

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