Ultrasound-Guided Nerve Block for Pediatric Femur Fractures: A Secondary Analysis of Needle Tip Distance. Pediatric emergency care 2025 https://researcherprofiles.org/profile/755919300 41220086 Riera A, Lawson SL, Klekowski N, Moake MM, Snelling PJ, Toney AG, Ng C, Pade KH, The TS, Shaahinfar A, Chaudoin LT, Binder ZW