For citations:
Ostrovskaya O.V., Nagovitsina E.B., Vlasova M.A., Suprun S.V. Some opportunistic infections in the structure of premature birth causes. Bulletin Physiology and Pathology of Respiration. 2021;(82):87-95. (In Russ.) https://doi.org/10.36604/1998-5029-2021-82-87-95