Appropriate Epitope Retrieval for c-kit Protein Immunostaining in Routinely Prepared Specimens of Gastrointestinal Stromal Tumor

Atsuji Matsuyama, Shingo Kamoshida, Yoshikazu Mizoguchi, Ryoichi Shimomura, Yutaka Hirasawa, Ken Ichi Inada, Yutaka Tsutsumi