1. ASIA/IMSOP. 1996. American Spinal Injury Association/International Medical Society of Paraplegia (ASIA/IMSOP) International Standards for Neurological and Functional Classification of Spinal Cord Injury patients (Revised). Chicago, IL: American Spinal Injury Association.
2. Bergua, F.J.B., J.R.T. Huamán, S.M. Castilla, F.M. Bermudo, B.S. Escoms, et al. n.d. Patent: Method for Differentiation of Pluripotent Stem Cells into Definitive Endoderm Cells.
3. Bjorklund, L.M., R. Sánchez-Pernaute, S. Chung, T. Andersson, I.Y. Chen, McNaught KS, and A.L. Brownell. 2002. Embryonic Stem Cells Develop into Functional Dopaminergic Neurons after Transplantation in a Parkinson Rat Model. Proceedings of the National Academy of Sciences of the United States of America 99: 2344–2349.
4. Bracken, M.B. 2012. Steroids for Acute Spinal Cord Injury. Cochrane Database of Systematic Reviews 1: CD001046.
5. Bracken, M.B., M.J. Shepard, W.F. Collins, T.R. Holford, W. Young, D.S. Baskin, H.M. Eisenberg, et al. 1990. A Randomized, Controlled Trial of Methylprednisolone or Naloxone in the Treatment of Acute Spinal-cord Injury. Results of the Sec- ond National Acute Spinal Cord Injury Study. The New England Journal of Medicine 322 (20): 1405–1411.