@inbook{1187116721, author={Meagan Widerman and Michael Pratte}, title={High-titre convalescent plasma therapy not effective against severe COVID-19 pneumonia}, booktitle={2 Minute Medicine}, publisher={McGraw Hill}, address={New York, NY}, year={2015}, url={accessmedicine.mhmedical.com/updatesContent.aspx?gbosid=578318} }