Authors
Pham Dac The
Respiratory Department, Hai Phong International General Hospital, Hai Phong, Vietnam
Bach Quoc Tuan
Respiratory Center, Military Hospital 103, Vietnam Military Medical University, Hanoi, Vietnam
Nguyen Hai Cong
Department of Pneumology, Military Hospital 175, Ho Chi Minh City, Vietnam
Le Thi Dieu Hien
Respiratory Department, Hai Phong University of Medicine and Pharmacy, Hai Phong, Vietnam
Vu Minh Duong
Intensive Care, Emergency and Anti-Poison Center, Military Hospital 103, Vietnam Military Medical University, Hanoi, Vietnam