PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28218774-3 2017 Gene delivery of BMP-2 was mediated by polyethylenimine and stable transformants were selected by G-418. antibiotic G 418 98-103 bone morphogenetic protein 2 Oryctolagus cuniculus 17-22