PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15769183-3 2005 Nuclease-resistant aptamers that recognize the human receptor tyrosine kinase RET were obtained using RET-expressing cells as targets in a modified SELEX procedure. selex 148-153 ret proto-oncogene Homo sapiens 78-81