DOUBLE-ENHANCED LATERAL FLOW IMMUNOASSAY FOR POTATO VIRUS X BASED ON A COMBINATION OF MAGNETIC AND GOLD NANOPARTICLES ArticleRazo S.C., Panferov V.G., Safenkova I.V., Varitsev Y.A., Zherdev A.V., Dzantiev B.B.Analytica Chimica Acta. Том 1007. 2018. С. 50-60