Early Enteral Nutrition and Clinical Outcomes of Severe Traumatic Brain Injury Patients in Acute Stage: A Multi-Center Cohort Study. Journal of Neurotrauma Vol. 29: Issue. 1: Pages. 75-80. January 2012 Abstract at http://online.liebertpub.com/doi/abs/10.1089/neu.2011.1801

Curtis L. Journal of Neurotrauma, 2011. Significant findings regarding enteral nutrition and TBI. Access the article via pubmed,though only citation available for free.