PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16854613-2 2007 EGFR expression was examined immunohistochemically on a tissue microarray (TMA) of paraffin embedded tissue specimens from 109 patients who underwent surgical treatment for squamous cell carcinoma of the oral cavity and oropharynx in the period between 1980 and 1997. Paraffin 83-91 epidermal growth factor receptor Homo sapiens 0-4