For citations:
Akopyan A.S., Golubeva V.I., Zueva E.E., Kagan A.V., Solntsev N.V. Primary peritonitis in children as a signal of a spontaneous form of secondary immune insufficiency. The Scientific Notes of the Pavlov University. 2013;20(3):71-75. (In Russ.) https://doi.org/10.24884/1607-4181-2013-20-3-71-75