Title: Vlii͡aniīe soleĭ rubidīi͡a i t͡sezīi͡a na serdt͡se i kroveobrashchenīi͡e v svi͡azi s zakonnostʹi͡u fiziologicheskago di͡eĭstvīi͡a shchelochnyh mi͡etallov