Pharmacologic Therapy. The type of drug treatment used depends on the type and stage of African trypanosomiasis (sleeping sickness). Management recommendations were published in The Medical Letter on Drugs and Therapeutics in March 2000 (see the Table below). Table.
Casing is the major structural component of a well. The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors, and setting depth is a primary engineering and economic consideration.
Collagen Casings are made of beef protein. These casings are a natural product that is manufactured into casing form. Collagen casings are both edible and non-edible. Non-edible are tied at one end. They can be clear or mahogany in color, printed or unprinted.