ACR#23 Abs #1023: IgG4-RD males > likely (vs females) to have multi-organ & serological activity w/ ^ immunoglobulin concentrations. Interestingly, lower lipase levels observed in males are consistent with greater degrees of pancreatic damage. https://t.co/4hUGmzTQqX @rheumnow https://t.co/kcy5dL62Pn