Pereira SA, Melo A, Resende E, Regateiro F, Coimbra Silva H. Antagonistic effect of IL1 variants in periodontitis and external apical root resorption: Evidence from a literature review. Arch Oral Biol. 2018 Nov;95():195–201. doi: 10.1016/j.archoralbio.2018.08.006. PMID: 30142580.