Saowanee Woravutrangkul. 1998. Effects of chest physiotherapy with and without inspiratory muscle training in moderate risk patients undergoing upper abdominal surgery. Faculty of Graduate Studies, Mahidol University;

Saowanee Woravutrangkul. Effects of chest physiotherapy with and without inspiratory muscle training in moderate risk patients undergoing upper abdominal surgery. . Bangkok:Mahidol University, 1998.

Saowanee Woravutrangkul. (1998) Effects of chest physiotherapy with and without inspiratory muscle training in moderate risk patients undergoing upper abdominal surgery . Mahidol University/Bangkok.