Successful noninvasive ventilation in a severely acidotic and hypercapnic comatose COVID-19 patient with multiple comorbidities: a case report. - Poonuraparampil, Joseph Abraham; Karim, Habib Md Reazaul; Kesavankutty, Manu P.; Nayak, Porika Prashanth (Acute & Critical Care, 2022)