The serum vascular endothelial growth factor levels in patients with high-energy trauma complicated with infection by Anastasia A. Rakhmatulina, Svetlana N. Luneva, Natalia V. Nakoskina, Nikolai M. Kliushin, Sergei V. Lyulin, Tamara I. Dolganova, Tatyana I. Menshchikova, Darya S. Leonchuk