For citations:

Krasnova L.I., Bogonina V.E., Davydova R.R., Marushkina A.I. History of the Development of the Medical Service and Pediatric Unit of the Sosnovoborsky District (the Penza Region) in Persons: from the Past to the Present. Russian Pediatric Journal. 2026;7(2):93-97. (In Russ.) https://doi.org/10.15690/rpj.v7i2.3046