Ivalde, Flavio Cesar, Jose Marazita-Valverde, and Danilo Bataglia. 2019. “CONSIDERATIONS FOR SURGICAL PLANNING OF HUMERAL OSTEOTOMY IN BRACHIAL PLEXUS BIRTH PALSY BASED ON THE ELBOW CREASE AND HUMERAL RETROVERSION MEASUREMENT”. Journal of Ayub Medical College Abbottabad 31 (4):479-80. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/7088.