RT Journal Article SR Electronic T1 Guillain–Barré syndrome JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP e281 OP e281 DO 10.7861/clinmed.Let.20.6.6 VO 20 IS 6 A1 Alvin O Payus A1 Tan HUI Jan A1 Azman A Raymond YR 2020 UL http://www.rcpjournals.org/content/20/6/e281.1.abstract