title: The pope moves backward on terminal case.
authors.affiliation: University Center for Human Values, Princeton University, USA.
authors.forename: Peter
authors.initials: P
authors.lastname: Singer
mesh_terms: D002410:Catholicism; D004750:Enteral Nutrition / Q000941:ethics*; D016519:Hospitals, Religious; D006801:Humans; D008020:Life Support Care / Q000941:ethics*; D018458:Persistent Vegetative State; D028761:Withholding Treatment / Q000941:ethics