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Key Points Testing for the presence of drugs in the blood and other body fluids of patients has undergone a vast increase over the past 20 years. Testing for the presence of drugs of abuse and/or poisons in patients has…
Key Points Accurate differential diagnoses can be made from a systematic study of the laboratory profiles of patients in a large majority of cases. There are basically four types of anemia: iron deficiency, anemia of chronic disease, hemolytic anemia, and…