1.1.1.156	DEAE-cellulose column chromatography, hydroxyapatite column chromatography, BD Sepharose column chromatography, and DEAE-Sephadex A-50 gel filtration	
1.1.1.156	partial	
1.1.1.156	to homogeneity, 1step chromatography	
1.1.1.156	to homogeneity, chromatography techniques