Search Results - Rumen Konstantinov

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    MICROBIOLOGICAL ANALYSIS AND ASSESSMENT OF COASTAL BATHING WATERS IN REGION VARNA by Gabriela Tsankova, Eliyana Ivanova, Rumen Konstantinov, Tatina Todorova, Neli Ermenlieva

    Published 2018
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    EPIDEMIOLOGICAL STUDY OF PERTUSSIS IMMUNIZATION EFFECTIVENESS IN VARNA REGION (2009-2014) by Gabriela Tsankova, Eliana Ivanova, Tatina Todorova, Rumen Konstantinov, Neli Ermenlieva, Ianka Draganova

    Published 2016
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