الوصول الحر: https://doaj.org/article/9ac6a7d255d242b4a97a2771e4672a91Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::f1d4ddb1b14df4ecc0a1e0a4f948937bTesthttps://doi.org/10.2337/db19-1966-pTest