Matches in DBpedia 2015-10 for { ?s ?p "Dahl's sign (also Thinker's sign or Target sign) is a clinical sign in which areas of hyperpigmentation are seen on the skin of the lower thighs and elbows. It occurs in patients with longstanding severe chronic obstructive pulmonary disease.The sign occurs because patients with COPD tend to sit forwards with their arms resting on their thighs, leading to chronic erythema of the skin at the points of contact."@en }
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- Dahls_sign comment "Dahl's sign (also Thinker's sign or Target sign) is a clinical sign in which areas of hyperpigmentation are seen on the skin of the lower thighs and elbows. It occurs in patients with longstanding severe chronic obstructive pulmonary disease.The sign occurs because patients with COPD tend to sit forwards with their arms resting on their thighs, leading to chronic erythema of the skin at the points of contact.".