fi and fii gave single bands on sodium dodecyl sulfate-polyacrylamide gel electrophoresis , showed complete immunological cross-reactivity with each other and were more potent in reacting with antibodies in patients ' ( tuberculosis ) sera than sonicate , se , purified protein derivative , f iii and f iv when tested in a competition enzyme-linked immunosorbent assay .
C0041296
tuberculosis
C0034131
purified protein