Prof.Dr Yongyudh Ploysongsang

Fellow of the American College of Physicians (FACP), 
1980

Fellow of the American College of Chest Physicians (FCCP), 
1980

Research Fellow, Pulmonary Disease,
McGill University, Montreal, Canada, 1975

Pulmonary Disease,
University of Cincinnati College of Medicine, Ohio, USA, 1974

Internal Medicine,
University of Cincinnati College of Medicine, Ohio, USA, 1971

M.D., Faculty of Medicine,
Siriraj Hospital, Mahidol University, Thailand, 1967

• The American Board of Critical Care Medicine, 1995
• The American Board of Pulmonary Disease, 1976
• The American Board of Internal Medicine, 1972