Severe Hypogammaglobulinemia (IgG) During Efgartigimod Therapy in Neurological Practice: A Real-World Case Series.

Espinosa PS, Preisler J, Motiño Villanueva A, Bellon MKB, Hennekens CH

Cureus. 2026 Apr; 18(4):e106599. PMID: 42110106. Abstract