· WITH DISPEPSIA TOMCA L. Perusanova — Pavlova E. Hristova Sofia University, "St. Kliment...
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· WITH DISPEPSIA TOMCA L. Perusanova — Pavlova E. Hristova Sofia University, "St. Kliment Ohridski " Medical Faculty 1407 Sofia, Bulgaria, Kozyak str I, e-mail liliperusanova(òabv