@article{articlea1c73313,
title   = {Biomass, virus concentration, and symptomatology of cucurbits infected by mild and severe strains of Papaya ringspot virus},
author = {Pacheco, D. A. and Rezende, Jorge Alberto Marques and Piedade, Sônia Maria de Stefano},
year = {2003},
doi = {10.1590/s0103-90162003000400013},
journal   = {Scientia Agricola}
}