title: On the etiology of acute psychogenic reactions in pupils and students.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D000297:Psychology, Adolescent; D013315:Stress, Psychological / Q000209:etiology*