GVA Positive control Short description Art-No:122253 GVA Positive control Synonym: Vitivirus alphavitis Documents ELISA_Data_Analysis.pdf ELISA_Reagents_Sets_Kits.pdf ELISA_Test_procedure.pdf GVA_DAS_ELISA.pdf MSDS_ELISA.pdf Pathogens_of_grapevines.pdf Positive & negative controls_ELISA_efd.pdf Simple_ELISA_Data_Analysis.pdf