title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA. marshall.jacobs@comcast.net
authors.forename: Marshall L
authors.initials: ML
authors.lastname: Jacobs
mesh_terms: D000017:ABO Blood-Group System / Q000276:immunology; D001789:Blood Group Antigens / Q000276:immunology*; D015925:Cryopreservation; D006084:Graft Rejection; D006085:Graft Survival; D006650:Histocompatibility Testing; D006801:Humans; D011651:Pulmonary Artery / Q000276:immunology*; D011664:Pulmonary Valve / Q000276:immunology / Q000637:transplantation; D012680:Sensitivity and Specificity; D014184:Transplantation, Homologous / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens