Treating Sleeping Sickness. The type of treatment depends on the stage of the disease. Drugs used in the first stage of the disease are of lower toxicity and are easier to administer. However, treatment success in the second stage of the disease depends on a drug that can cross the blood-brain barrier.
Definition of casinghead gas. : natural gas rich in hydrocarbon vapors that is taken without processing from an oil well.
Answer Wiki. The same way most petroleum products are. A drill rig turning a carbide button bit drills a hole from the surface down through rock layers to a reservoir rock that contains oil or natural gas or both. A production casing is cemented in place,...