http://www.annemergmed.com/article/S0196-0644(14)015790/abstract Luhmann JD, Schootman M, Luhmann SJ, Kennedy RM. A randomized comparison of nitrous oxide plus hematoma block versus ketamine plus midazolam for emergency department forearm fracture reduction in children. Pediatrics. 2006;118(4):e1078-86. Abstract Migita RT, Klein EJ, Garrison MM. Sedation and analgesia for pediatric fracture red...