title: [The horn player and Ockham's razor].
authors.affiliation: Tagesklinik der Nervenklinik Langenhagen der Landeshauptstadt Hannover.
authors.forename: W
authors.initials: W
authors.lastname: Massing
mesh_terms: D000328:Adult; D003291:Conversion Disorder / Q000175:diagnosis* / Q000523:psychology; D004421:Dystonia / Q000175:diagnosis* / Q000523:psychology; D005152:Facial Muscles; D006801:Humans; D008047:Lip Diseases / Q000175:diagnosis / Q000523:psychology; D008297:Male; D009146:Music; D009784:Occupational Diseases / Q000175:diagnosis* / Q000523:psychology; D011613:Psychotherapy