Pöyhiä, Tiina, Antti Lamminen, Jari Peltonen, Patrick Willamo, and Yrjänä Nietosvaara. 2011. “Treatment of Shoulder Sequelae in Brachial Plexus Birth Injury”. Acta Orthopaedica 82 (4):482-88. https://doi.org/10.3109/17453674.2011.588855.