Article Text
Electronic pages
Letter
Erdheim–Chester disease
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We read with interest the excellent study published by Cavalli et al1 in Annals of the Rheumatic Diseases and wish to voice our concerns. Although heterogeneity is the rule in the clinical presentation of patients with Erdheim–Chester disease (ECD), …
Footnotes
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Competing interests None.
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Provenance and peer review Not commissioned; internally peer reviewed.