title: Four indicators of humanhood - the enquiry matures.
mesh_terms: D001293:Attitude to Death; D003142:Communication; D003242:Conscience; D004992:Ethics, Medical; D040821:Human Characteristics; D006806:Human Rights; D006801:Humans; D007360:Intelligence; D007398:Interpersonal Relations; D007600:Judgment; D028723:Personhood; D012649:Self Concept