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To investigate the disease, Ivanovsky filtered sap extracted from infected tobacco plants through a porcelain Chamberland filter specifically designed to trap bacteria and other microorganisms

In addition, there are over 50 different intergovernmental and nongovernmental organizations who are official observers to the Conference of the Parties

The margin of exposure values were calculated for individual exposure (Figure 1), population-based exposure calculated from prevalence data (Figure 2) and population-based exposure calculated from sewage analysis (Figure 3)

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