For citations:
Siniakova EV, Zueva AS, Kapyrina TD, Virivskaya EV, Ignatko IV, Bakhtiyarov KR. Primary (spontaneous) endometriosis of the umbilical ring. Meditsinskiy sovet = Medical Council. 2025;(17):32-36. (In Russ.) https://doi.org/10.21518/ms2025-412

































