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Representative results of Western blot analysis for negative control, type I, II, Ia, and Ib. Type I and II were positive for both 119 and 89 kDa and the one negative for both antigens, respectively. Type Ia and Ib were the intermediate types: type Ia; 119 (+) and 89 (−), and type Ib; 119 (−) and 89 (+).
