References
http://opendoormidwifery.ca/wp-content/uploads/2011/09/Newborns-and-Vitamin-K.pdf
http://www.cps.ca/documents/position/administration-vitamin-K-newborns
http://www.cpsp.cps.ca/uploads/publications/Highlights-hemorrhagic-disease-newborn-vitamin-k.pdf
http://www.medsafe.govt.nz/profs/puarticles/vitk.htm
http://www.ncbi.nlm.nih.gov/pubmed/1428134