For citations:

Kravchenko M., Malayeva E.G., Tsytko E.V., Khudyakov I.A., Dmitriyenko A.A., Kobruseva L.A. A CLINICAL CASE OF MULTIPLE PRIMARY MALIGNANT TUMORS. Health and Ecology Issues. 2017;(4):87-92. (In Russ.) https://doi.org/10.51523/2708-6011.2017-14-4-19