THE USE OF XENOPERICARDIUM IN RECONSTRUCTIVE SURGERY IN PATIENTS WITH BREAST CANCER Статья Ortabaeva D.R., Zikiryakhodzhayev A.D., Rasskazova E.A., Saribekyan E.K., Khakimova Sh.G., Berestok T.S. Voprosy Onkologii. Izdatel'stvo Meditsina. Том 67. 2021. С. 374-381