For citations:

Troshina E.A., Yukina M.Y., Egorov A.V., Vasilyev I.A., Krivko A.A., Vasil'eva A.G. Malignant insulinoma. Problems of Endocrinology. 2009;55(5):10-14. (In Russ.) https://doi.org/10.14341/probl200955510-14