Comparison between Graf method and pubo-femoral distance in neutral and flexion positions to diagnose developmental dysplasia of the hip - Teixeira, Sara R.; Dalto, Vitor Faeda; Maranho, Daniel A.; Zoghbi-Neto, Orlando S.; Volpon, José Batista; Nogueira-Barbosa, Marcello Henrique (European Journal of Radiology, 2015)