The best and the most accurate method to diagnose<unk>  poisoning is directly measuring the venous blood<unk>  levels.
Lead poisoning diagnostic study of choice
Methemoglobinemia diagnostic study of choice
Lead poisoning differential diagnosis
Metabolic alkalosis diagnostic study of choice
Hemochromatosis diagnostic study of choice
Methemoglobinemia other diagnostic studies
Lead poisoning physical examination
Iron deficiency anemia diagnostic study of choice