3426868 SECD social-emotional and character development 8 3426869 SECD single equivalent current dipole 5 3426870 SECD spectrum extraction from chromatographic data 2 3426871 SECD swine enteric coronavirus diseases 2 3426867 SECD soil erosion control degree 1 3426866 SECD SPE based ECD 1 3426873 SECD superficial esophageal carcinoma after induction therapy 1 3426872 SECD surface electrical charging density 1