Immunohistochemical Study of Sialyl Lewis(a) Antigen in Oral Squamous Cell Carcinoma: The Association of Sialyl Lewis(a) Expression with Local Lymph Metastasis是什么意思_Immunohistochemical Study of Sialyl Lewis(a) Antigen in Oral Squamous Cell Carcinoma: The Association of Sialyl Lewis(a) Expression with Local Lymph Metastasis在线翻译_英语_读音_用法_例句