Lampus, H. F., C. Candy, L. Rendy, R. Sorongku, and S. P. Saputra. “Role of Colonoscopy in Foreign Body (Needle) Ingestion in Children: A Case Report and Literature Review”. Medical Scope Journal, vol. 6, no. 1, Oct. 2023, pp. 35-39, doi:10.35790/msj.v6i1.51636.