{Reference Type}: Letter {Title}: Non-Helicobacter pylori Helicobacter Species as a Cause of Refractory Chronic Cellulitis in X-Linked Agammaglobulinemia. {Author}: Zhao Q;Ma J;Wu J;Matruzi A;Li C; {Journal}: J Clin Immunol {Volume}: 44 {Issue}: 3 {Year}: 2024 Feb 16 {Factor}: 8.542 {DOI}: 10.1007/s10875-024-01668-y