Keyword air lead
RESEARCH PAPER
Decrease in ambient air lead concentrations in Varna, Bulgaria, associated with the introduction of unleaded gasoline.
Ann Agric Environ Med. 2010;17(2):259–261
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Improvement of visual identification of the journal - task financed under the agreement No. 618/P-DUN/2019 by the Minister of Science and Higher Education allocated to the activities of disseminating science.
Generation of the DOI (Digital Object Identifier) - task financed under the agreement No. 618/P-DUN/2019 by the Minister of Science and Higher
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