The effect of COVID-19 on public hospital revenues in Iran: An interrupted time-series analysis. oleh Masoud Behzadifar, Afshin Aalipour, Mohammad Kehsvari, Banafsheh Darvishi Teli, Mahboubeh Khaton Ghanbari, Hasan Abolghasem Gorji, Alaeddin Sheikhi, Samad Azari, Mohammad Heydarian, Seyed Jafar Ehsanzadeh, Jude Dzevela Kong, Maryam Ahadi, Nicola Luigi Bragazzi