Wilai Napa. 2002. Effects of progressive muscle relaxation on anxiety level in patients with asthma. Field of Study Psychiatric Mental Health Nursing, Mahidol University;
Wilai Napa. (2002) Effects of progressive muscle relaxation on anxiety level in patients with asthma . Mahidol University/Bangkok.
Wilai Napa. Effects of progressive muscle relaxation on anxiety level in patients with asthma. . Bangkok:Mahidol University, 2002.
Wilai Napa. (2002) Effects of progressive muscle relaxation on anxiety level in patients with asthma . Mahidol University/Bangkok.