For citations:

Belaia Zh.E., Rozhinskaia L.I., Mel'nichenko G.A., Sitkin I.I., Dzeranova L.K., Marova E.I., Vaks V.V., Vorontsov A.V., Il'in A.V., Kolesnikova G.S., Dedov I.I. The role of prolactin gradient and normalized ACTH/prolactin ratio in the improvement of sensitivity and specificity of selective blood sampling from inferior petrosal sinuses for differential diagnostics of ACTH-dependent hypercorticism. Problems of Endocrinology. 2013;59(4):3-10. (In Russ.) https://doi.org/10.14341/probl20135943-10