Ding, L., Ma, J., Chen, X., Gao, T. and Song, Y. (2025) “High-flow Nasal Cannula Warming and Humidification Oxygen Treatment for Severe Refractory Pneumonia”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 78(9), pp. 1379–1386. doi: 10.7546/CRABS.2025.09.13.