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