The references to therapeutic and sub-therapeutic levels reflected the amount of each drug in the blood.

The concentration found was 80 times in excess of the normal therapeutic level, even for chronic users.

Their body is weaker and need to apply lower doses, often below therapeutic level.

The pumps remove drugs from tumor cells what lead to low drag concentration in the target, below therapeutic level.

The therapeutic levels range from 50 to 290 nanograms per milliliter, the Medical Examiner's Office said.

Hard to maintain therapeutic levels either too high or too low.

With the therapeutic levels we're dealing with, we've got a bit of a problem in our game.

These medications need to build up to a therapeutic level in your blood.

Vaulting is also used on a therapeutic level in some instances.

A toxicology report after his passing showed the presence of medication for this illness in his system, but only on a therapeutic level.