For citations:
Bershtein L.M., Tsyrlina Ye.V., Poroshina T.Ye., Gamayunova V.B., Vasilyev D.A., Kovalenko I.G., Bychkova N.V. Functional bivalence of estrogens and estrogen effect switching over: role in the development of age-associated diseases. Problems of Endocrinology. 2002;48(4):49-52. (In Russ.) https://doi.org/10.14341/probl11579

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