European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society|June 23, 2019
European Journal of Pediatric Surgery : Official Journal of Austrian Association of Pediatric Surgery ... [Et Al] = Zeitschrift Fur Kinderchirurgie|June 2, 2018
European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society|June 23, 2019
European Journal of Pediatric Surgery : Official Journal of Austrian Association of Pediatric Surgery ... [Et Al] = Zeitschrift Fur Kinderchirurgie|June 2, 2018