title: Diagnostic classification and nomenclature for existential state reactions.
mesh_terms: D000124:Achievement; D000850:Anomie; D001007:Anxiety; D001290:Attitude; D003220:Conflict, Psychological; D003243:Consciousness; D003937:Diagnosis, Differential; D004644:Emotions; D005086:Existentialism; D005221:Fatigue; D005639:Frustration; D006240:Happiness; D006801:Humans; D007600:Judgment; D008019:Life Style; D009042:Motivation; D009497:Neurotic Disorders / Q000145:classification* / Q000175:diagnosis; D010549:Personal Satisfaction; D011582:Psychological Theory; D012649:Self Concept; D009626:Terminology as Topic