Characterization of Autonomic Involvement in Various Subtypes of Guillain-Barré Syndrome and Association With Electrophysiological Parameters. - Majumder P; Tripathi M; Srivastava AK; Srivastava MVP; Pandit AK; Radhakrishnan DM; Vishnu VY; Upadhyay AD; Das A (Muscle & nerve, 2025)