Fig 1: Study flow chart showing the inclusion of COVID-19 survivors 6 months after discharge. COVID-19, coronavirus disease 2019; CT, computed tomography; ILD, interstitial lung disease; RAGE, receptor for advanced glycation end products; SP-D, surfactant protein D; vWF, von Willebrand factor.
Supplier Page from Abcam for Human Surfactant protein D / SP-D ELISA Kit