Sykes, D., Parthasarthy, A., Brown, O., Crooks, M., & Faruqi, S. (2021). COVID-19 progression, frailty, and use of prolonged continuous positive airway pressure as a ward-based treatment: Lessons to be learnt from a case. Lung India, 38(Suppl.1), S64-S68. https://doi.org/10.4103/lungindia.lungindia_583_20