THE SAFETY OF NON-IMMUNOGENIC RECOMBINANT STAPHYLOKINASE IN ELDERLY PATIENTS WITH MASSIVE PULMONARY EMBOLISM: A RANDOMIZED CLINICAL TRIAL FORPE ArticleLeontyev Stanislav G., Yarovaya Elena B., Kutsenko Vladimir A., Ivlev Oleg E., Soplenkova A.G., Semenov Andrey M., Semenov Mikhail P., Ivanov S.V., Romashova Yulia A., Markin S.S.Health Science Reports. Том 8. 2025.