For citations:
Shilova M.D., Novichikhina A.S., Novoselova S.N., Bokova T.A. Primary immunodeficiency in children: agammaglobulinemia (Bruton’s disease). Experimental and Clinical Gastroenterology. 2024;(6):229-232. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-226-6-229-232