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A drug is given at an infusion rate of 250 mg/h. The drug concentration determined at 4h after the start of the infusion...

A drug is given at an infusion rate of 250 mg/h. The drug concentration determined at 4h after the start of the infusion is 50 mg/L. Assuming the patient has 5.5 L of blood, estimate the elimination rate constant of this drug.

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