PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29272991-8 2018 These results indicate that PRP-impregnated gelatin beta-TCP sponge is effective for facilitating bone regeneration in lumbar vertebral bone defect under osteoporotic condition. beta-tricalcium phosphate 52-60 proline rich protein 2-like 1 Rattus norvegicus 28-31