Serum KL-6 can distinguish between different phenotypes of severe COVID-19.
Hideta NakamuraKazuya MiyagiMariko OtsukiYuri HigureNaoya NishiyamaTakeshi KinjoMasashi NakamatsuShusaku HaranagaMasao TateyamaJiro FujitaPublished in: Journal of medical virology (2020)