A correct diagnosis is usually a prerequisite for effective treatment.The diagnosis is determined by examining the results of a number oftechniques. First a medical history is taken, in which the patient is questioned onvarious aspects of his disease. A physical examination is then performedby utilizing a series of simple methods. From an evaluation of the find-ings, appropriate chemical and bacteriological laboratory tests are A correct diagnosis is usually a prerequisite for effective treatment. The diagnosis is determined by examining the results of a number of techniques. First a medical history is taken, in which the patient is questioned onvarious aspects of his disease. A physical examination is then performedbyby utilizing a series of simple methods. From an evaluation of find-ings, appropriate chemical and bacteriological laboratory tests are