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France

• Orilẹ-ede ti Awọn ẹgbẹ ti Awọn idile ti Ori ati Ọgbẹ Ẹjẹ: http://www.traumacranien.org/index.php?option=com_content&view=article&id=58&Itemid=129
• Ile-iṣẹ Neurosurgery: http://campus.neurochirurgie.fr/spip.php?article165

Canada

• Ẹgbẹ Quebec ti Cranial Trauma Montreal (AQTC):  http://www.aqtc.ca
• Egbo ori – Transport Canada: https://www.tc.gc.ca/fra/aviationcivile/publications/tp13312-2-neurologie-cranien-2158.htm