>>18036616 (/pb)
IgG4 Related Disease
https://www.ncbi.nlm.nih.gov/books/NBK499825/
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IgG4-related orbital disease
https://radiopaedia.org/articles/igg4-related-orbital-disease?lang=us
Diagnosis and Treatment of IgG4-Related Disease
https://pubmed.ncbi.nlm.nih.gov/28197739/