Fig. 6.
Carbachol-induced [Ca2+]i signal in the functional assay comparing ammonium sulphate (AS)-precipitated immunoglobulins from sera from patients with untreated (n = 20) and treated (n = 20) primary Sjögren's syndrome (pSS). = no effect on receptor activity. Median values are given. Comparison was performed using the Mann–Whitney U-test.