Synthesis, characterization and antiradiation properties of the tryptophanates of cobalt (II), manganese (II), copper (II) and zinc - E. N. Shamilov; A. S. Abdullaev; M. M. Farajov; V. E. Shamilli; Sh. I. Gahramanova; F. F. Jalaladdinov (Factors in experimental evolution of organisms, 2020)