PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19408724-1 2009 OBJECTIVE: To investigate the effects of intralesional steroid, interferon alpha-2b or verapamil injection on proliferation, apoptosis and TGF-beta1 expression in keloid and hypertrophic scar in vivo. Steroids 55-62 transforming growth factor beta 1 Homo sapiens 139-148