title: Tibor J. Greenwalt; in memoriam.
authors.affiliation: Florida Blood Services, St. Petersburg, FL, USA. pauljschmidt@hotmail.com
authors.forename: P J
authors.initials: PJ
authors.lastname: Schmidt
mesh_terms: D001803:Blood Transfusion / Q000266:history / Q000379:methods; D049673:History, 20th Century; D049674:History, 21st Century