PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34994274-8 2022 Our results showed that PEMF alleviated the degree of inflammation and degeneration of cartilage in rats with OA, based on the histopathological changes and decline of the expression of IL-1beta and MMP-13. pemf 24-28 matrix metallopeptidase 13 Rattus norvegicus 199-205