Abdelnoor RV, Dias WP, Silva JFV, Marin SRR, Kiihl RA de S. Molecular characterization of soybean cyst nematode populations with different parasitism index to the Hartwig cultivar. PAB. 2001;36(2):331-337. doi:10.1590/S1678-3921.pab2001.v36.6128