1. Pediatric surgery: national guidelines / edited by A. Y. Razumovsky. – 2nd ed., reprint. and add. – M.: GEOTAR-Media, 2021. – 1280 pp. 36-44 (In Russ.).
2. Тhe Сonstitution of the Russian Federation (As amended by Decrees of the President of the Russian Federation No. 20 of 09.01.1996, No. 173 of 10.02.1996, No. 679 of 09.06.2001, No. 841 of 25.07.2003; Federal Constitutional Laws No. 1-FKZ of 25.03.2004, No. 6-FKZ of 14.10.2005, No. 2-FKZ of 12.07.2006, dated 30.12.2006 No. 6-FKZ, dated 21.07.2007 No. 5-FKZ; Laws of the Russian Federation on Amendments to the Constitution of the Russian Federation dated 30.12.2008 No. 6-FKZ, dated 30.12.2008 No 7-FKZ, dated 05.02.2014 No. 2-FKZ; Federal Constitutional Law dated 21.03.2014 No. 6-FKZ; Law of the Russian Federation on Amendment to the Constitution of the Russian Federation No. 11-FKZ of 21.07.2014; Decree of the President of the Russian Federation No. 130 of 27.03.2019; Law of the Russian Federation on Amendment to the Constitution of the Russian Federation No. 1-FKZ of 14.03.2020) (In Russ.). URL: http://www.consultant.ru/document/cons_doc_LAW_28399/
3. Federal Law No. 323-FZ of 21.11.2011 (as amended on 02.07.2021) “On the basics of protecting the health of citizens in the Russian Federation” (with amendments and additions, intro. effective from 01.10.2021). URL: http://www.consultant.ru/document/cons_doc_LAW_121895 (date of notification: 11/24/2021) (In Russ.).
4. Government Resolution No. 2505 of 12/28/2021 “On the Program of State guarantees of Free medical care to citizens for 2022 and for the planning period of 2023 and 2024” (In Russ.). URL: https://base.garant.ru/403335795/
5. Resolution of the Government of Moscow dated 12/30/2020 No. 2401-PP “On the territorial program of state guarantees of free medical assistance to citizens in the City of Moscow for 2021 and for the planning period of 2022 and 2023” (In Russ.). URL: https://mosgorzdrav.ru/ru-RU/targets/default/card/19.html