Correction of First Metatarsal Pronation in Metaphyseal Extra-articular Transverse Osteotomy for Hallux Valgus Correction oleh Gabriel Ferraz Ferreira MD, MSc, Gustavo Araujo Nunes MD, Davy Sevilla Dorado MD, Mauro Cesar Mattos e Dinato MD, PhD, Thomas Lorchan Lewis MBChB(Hons), BSc(Hons), MRCS, Robbie Ray MBChB, ChM(T&O), FRCS(T&O), FEBOT, Miguel Viana Pereira Filho MD, MSc