Kaibo Duan Jagath C. Rajapakse SVM-RFE peak selection for cancer classification with mass spectrometry data. 191-200 2005 conf/apbc/2005 APBC http://www.comp.nus.edu.sg/~wongls/psZ/apbc2005/camera-ready/184.pdf db/conf/apbc/apbc2005.html#DuanR05