TY - JOUR T1 - Observational Data as External Control Arm to Study the Effectiveness of New Therapies for Guillain-Barré Syndrome JO - Neurology Open Access UR - https://doi.org/10.1212/wn9.0000000000000155 PY - 2026/09/01 AU - Luijten LWG AU - Wiegers EJA AU - De Koning LC AU - Attarian S AU - Cornblath DR AU - Davidson AI AU - Gorson KC AU - Harbo T AU - Hartung H-P AU - Kuwabara S AU - Nobile-Orazio E et al ED - DO - DOI: 10.1212/wn9.0000000000000155 PB - Ovid Technologies (Wolters Kluwer Health) VL - 2 IS - 3 Y2 - 2026/10/09 ER -