Comment on

• Emerging Treatment Models in Rheumatology: IgG4-Related Disease: Insights Into Human Immunology and Targeted Therapies.

  Perugino CA, Mattoo H, Mahajan VS, Maehara T, Wallace ZS, Pillai S, Stone JH. Perugino CA, et al. Arthritis Rheumatol. 2017 Sep;69(9):1722-1732. doi: 10.1002/art.40168. Epub 2017 Aug 8. Arthritis Rheumatol. 2017. PMID: 28575535 Free PMC article. Review. No abstract available.
• Implications of elevated C-reactive protein and serum amyloid A levels in IgG4-related disease: comment on the article by Perugino et al.

  Karim AF, Eurelings LEM, van Hagen PM, van Laar JAM. Karim AF, et al. Arthritis Rheumatol. 2018 Feb;70(2):317-318. doi: 10.1002/art.40365. Epub 2018 Jan 3. Arthritis Rheumatol. 2018. PMID: 29088583 No abstract available.