TWiST

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TWiST

Time without Sx of disease or toxicity AIDS A quality of life indicator, corresponding to the number of months preceding the development of a Sx with ≥ grade 3 HIV disease, whichever occurred first. See Q-TWiST.
References in periodicals archive ?
Davis says the various soil formations that were drilled through, including sand, gravel and a shelf of rock all contributed to the twist off.
By focusing on the way Berkley's customers interact with various fishing lines, we were able to develop and present the twist off solution while staying true to Natralock's shelf presence and sustainability.
The main arena offers live action with the Twist Off ramp, extreme winching and driving demonstrations, reverse steer challenge and more.
It refused to twist off as instructed and I had to stab it to death to get at the contents.
These strippers are like big kettles and it's easy to get scalded by the steam or drips of boiling water, so use with care and try to keep the hose straight or else it may twist off, leaving steam streaming dangerously from the main unit.
If you forget, the gear for the right-hand elbow on the SMC will twist off and break.