Karelina, O. B.; Bolotova, S. N.; Bolotov, K. S.; Ivanov, A. V. HETEROTOPIC PREGNANCY: DIAGNOSTIC PITFALLS AND SUCCESSFUL OUTCOME IN SPONTANEOUS PREGNANCY (CLINICAL CASE). МиД 2026, 27 (1), 97-101. https://doi.org/10.24412/2686-7338-2026-1-97-101.