The transplantation argument.
D001803:Blood Transfusion / Q000266:history; D003643:Death; D004992:Ethics, Medical; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007883:Legislation, Medical; D008297:Male; D014019:Tissue Donors; D014184:Transplantation, Homologous