LABORATORY SYNTHESIS OF ACTINIUM-225 COMPLEXES WITH SOMATOSTATIN PEPTIDE ANALOGS FOR RADIONUCLIDIC THERAPY OF NEUROENDOCRINE TUMORS ArticleTishchenko V.K., Viryasov M.B., Ryzhikova T.P., Stepchenkova E.D., Ostroukhov A.A., Shcherbakova A.N., Dorovatovskiy S.A., Vlasova O.P., Ivanov S.A.Pharmaceutical Chemistry Journal. Том 59. 2025. С. 335-340