PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1396722-3 1992 Kinetic data show that restimulation by transforming growth factor beta (TGF-beta) and retinoic acid is delayed when compared to induction by platelet-derived growth factor (PDGF), indicating that both TGF beta and retinoic acid may exert their growth-stimulating action by an indirect mechanism. retinoic 87-95 transforming growth factor, beta 1 Rattus norvegicus 202-210