Characteristics of Pediatric Nasal Foreign Body Cases That Required Multiple Removal Procedures: A Single Tertiary Medical Center Cross-Sectional Study. - Kawaguchi R; Matsui S; Hayashi T; Takei H; Tanizawa N; Ohnishi Y; Sameshima T; Miyawaki K; Yoshii TH; Tanaka R (Pediatric emergency care, 2022)