INTRODUCTIONImmunohistochemistry and immune electron microscopy were used to determine the keratin and collagen Ⅰ polypeptides expressed in gastric mucosa and
INTRODUCTIONEpstein-Barr virus (EBV), a gammaherpesvirus, has been strongly associated with African Burkitt's lymphoma and nasopharyngeal carcinoma. Recentl