1. 〈http://www.cdc.gov/traumaticbraininjury/data/rates.html〉 (as of Dec 4, 2016).
2. 〈http://www.rcsb.org/pdb/explore.do?StructureId=1TUB〉. (last (Accessed 30 June 2015).
3. 〈https://www.cdc.gov/traumaticbraininjury/pdf/mtbireport-a.pdf〉 (as of Dec 4, 2016).
4. 〈https://www.ncbi.nlm.nih.gov/books/NBK21580/〉.
5. Polymer Engineering Science and Viscoelasticity;Brinson,2014