Fig. 2
From: Change in exacerbation rate of COPD patients before and after COVID-19 infection
Sankey plot for exacerbation group before and after COVID-19 infection. COVID-19, coronavirus disease 2019.
Fig. 2 | Scientific Reports
From: Change in exacerbation rate of COPD patients before and after COVID-19 infection
Sankey plot for exacerbation group before and after COVID-19 infection. COVID-19, coronavirus disease 2019.
