@inbook{1180108907, author={Francisco Juan Mattera and Emilio Quiñonez}, editor={Molmenti, Ernesto Pompeo and Santibañes, Martin de and Santibañes, Eduardo de}, title={Donor Grading Classifications}, booktitle={Liver Transplantation: Operative Techniques and Medical Management}, publisher={McGraw Hill}, address={New York, NY}, year={2021}, url={accesssurgery.mhmedical.com/content.aspx?aid=1180108907} }