High-dose<i>versus</i>low-dose prednisolone in symptomatic patients with post-COVID-19 diffuse parenchymal lung abnormalities: an open-label, randomised trial (the COLDSTER trial)Sahajal Dhooria, Ashutosh N. Aggarwal, Inderpaul Singh Sehgal et al.|European Respiratory Journal|2021Cited by 57