PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19894558-2 2009 METHOD: Two-step immunohistochemical staining was applied to detect the expression of E-cadherin and P(120ctn) in formalin fixation and paraffin-embedded specimens from 56 cases with nasopharyngeal carcinoma and 15 cases with normal nasopharyngeal epithelia. Formaldehyde 114-122 cadherin 1 Homo sapiens 86-96