Majid N, Nordin R, Osran NA, Suryanto S. Helmet Non-invasive Ventilation Therapy: Measurement of comfort behaviour. E-BPJ [Internet]. 2021 Dec. 12 [cited 2024 Apr. 26];6(18):119-24. Available from: https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/3082