1. Broxmeyer et al.”High-efficiency recovery of functional hematopoietic progenitor and stem cells from human cord blood cryopreserved for 15 years.’ PNAS. 2003;100(2):645-50

2. Nietfeld JJ et al. Lifetime probabilities of hematopoietic stem cell transplantation in the U.S. Biol Blood Marrow Transplant. Mar 2008; 14(3):316-322.

3. Hong Kong Cancer Registry website (www3.ha.org.hk/cancereg)

4. https://hk.news.appledaily.com/local/daily/article/20110613/15336295

5. Hirtz D et al., How common are the “common”neurologic disorder? Neurology 68, 326-337, 2007

6. Diseases treated page. Parent’s Guide to Cord Blood Foundation. 20 March 2015

7. Stem cell treatment page. Cord Blood Registry Website. 20 March 2015

8. Clinical trial registry page. ClinicalTrials.gov. 27 April 2015

9. Cord Blood Foundation: http://www.cordbloodfoundation.org.au/

10. Karen Ballen, “Update on umbilical cord blood transplantation,” F1000Research, vol. 6, pp. 1556, 2017

11. Parent’s Guide to Cord Blood Foundation: https://parentsguidecordblood.org/en/diseases

12. Lifetime Probabilities of Hematopoietic Stem Cell Transplantation in the US: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2531159/