Singer, Peter A.; Ambrosio, Eileen; Birenbaum, Shelley; Fish, Arthur; Hughes, David; Khan, Abrahim H.; Khan, Pamela; Rundle, Pat; Senn, John; Upshor, Ross; Wilson, Jo-Ann P.; Lowy, Frederick H.; Meslin, Eric M.; Nash, Carol(University of Toronto. Centre for Bioethics. Advance Directives Seminar Group, 1992-01-15)