BG21; MC Preventsia 2000
Stara Zagora 6000
0 studies enrolling now · 1 studies all time
What they study most
COPD, Smoking, Tobacco Use
Studies at this site
Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.
— Stopped early