title: Isoelectric focusing of acidic proteins. Studies on pepsin.
mesh_terms: D000818:Animals; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D008722:Methods; D010434:Pepsin A / Q000032:analysis*; D013552:Swine
chemical_list: D010434:Pepsin A