title: The thinker's sign.
authors.affiliation: Department of Medicine, Weill Cornell Medical Center, New York, NY, USA.
authors.forename: Gabriel
authors.initials: G
authors.lastname: Rebick
authors.forename: Suzanne
authors.initials: S
authors.lastname: Morin
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000209:etiology*; D011187:Posture; D013850:Thinking
references.citation: JAMA. 1963 Jun 15;184:902-3
references.pmid: 13975358