For citations:
Pavlenko I.A., Povilaitite P.E., Kaciyaev V.Yu., Makarevich N.S., Petrov A.V. PIK3CA mutations in breast cancer with low HER2 / neu expression. Advances in Molecular Oncology. 2022;9(4):89‑95. (In Russ.) https://doi.org/10.17650/2313-805X-2022-9-4-89-95