For citations:

Stezhkina E.V., Agapova A.I., Rybakova I.E. Primary immunodeficiency in the practice of a pediatric doctor – a long diagnosis in pediatric? Allergology and Immunology in Paediatrics. 2022;(3):55-56. (In Russ.) https://doi.org/10.53529/2500-1175-2022-3-55-56