Limpias Kamiya KJ, Hosoe N, Takabayashi K, Hayashi Y, Sun X, Miyanaga R, Fukuhara K, Fukuhara S, Naganuma M, Nakayama A, Kato M, Maehata T, Nakamura R, Ueno K, Sasaki J, Kitagawa Y, Yahagi N, Ogata H, Kanai T. Endoscopic removal of foreign bodies: A retrospective study in Japan. World J Gastrointest Endosc 2020; 12(1): 33-41 [PMID: 31942232 DOI: 10.4253/wjge.v12.i1.33]