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American Association of Neurological Surgeons
American Pediatric Surgical Association
American Society of Transplantation
American Surgical Association
Association of Women Surgeons
Medical Center
East Carolina University (ECU)
ClinicalTrials.gov
Society of Critical Care Medicine
MedlinePlus
Medscape
National Institutes of Health (NIH)
PubMed
BroadcastMed, Inc.
UNC Healthcare
Society for Vascular Surgery
Society of Thoracic Surgeons, The
Trauma.org, UK
