Novarin, Christina, Murtaqib, Murtaqib, AND Widayati, Nur. " Pengaruh Progressive Muscle Relaxation terhadap Aliran Puncak Ekspirasi Klien dengan Asma Bronkial di Poli Spesialis Paru B Rumah Sakit Paru Kabupaten Jember (The Effect of Progressive Muscle Relaxation on Peak Expiratory Flow of Clients with Bronchial As" Pustaka Kesehatan [Online], Volume 3 Number 2 (15 May 2015)