
Keywords: SS; Sjögren's syndrome; CCh; Carbachol; GI; gastrointestinal tract; IgG; immunoglobulin G; SM; smooth muscle; CISC; carbachol-induced smooth muscle contraction; EFS; electrical field stimulation; M3R; muscarinic receptor type 3; 4-DAMP; 1,1-dimethyl-4-di