Efgartigimod for Fetal Acetylcholine Receptor Antibody–Related Disorder - Martijn R. Tannemaat; Yvonne J.M. Campman; Bart Ballieux; Robbert G.M. Bredius; Marlene Wolfsgruber; Sarah Hoffmann; Elisabeth van Leeuwen; Enrico Lopriore; Erik H. Niks; Claudia S. Ootjers; Floor Prein; Katinka Teunissen; et al. (New England Journal of Medicine, 2026)