Chronic Obstructive Pulmonary Disease Outcomes Among Individuals in Japan Who Switched to Heated Tobacco Products Compared to Those Who Continued Smoking or Formerly Smoked Combustible Cigarettes: Protocol for a Real-World Retrospective Study
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Background: Chronic obstructive pulmonary disease (COPD) is a debilitating respiratory disease that is highly associated with smoking. Despite widespread knowledge of the health risks of smoking, many patients with COPD continue ... ...
