title: Where have all the clickers gone?
authors.forename: R
authors.initials: R
authors.lastname: Himmelfarb
mesh_terms: D000375:Aging; D006801:Humans; D004204:Joint Dislocations / Q000503:physiopathology*; D013705:Temporomandibular Joint Disorders / Q000503:physiopathology*; D013997:Time Factors