2023-04-052023-04-052022223875https://pubmed.ncbi.nlm.nih.gov/35948312/https://www.jco-online.com/archive/2022/06/351-pearls-attachment-of-class-ii-elastics-in-patients-with-missing-lower-first-molars/https://cris.cientifica.edu.pe/es/publications/attachment-of-class-ii-elastics-in-patients-with-missing-lower-fihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85136339299&origin=inward&txGid=3dc04131984f8e2adf0808414b5fef78https://europepmc.org/article/MED/35948312engAttachment of Class II elastics in patients with missing lower first molarsinfo:eu-repo/semantics/article