1. American Diabetes Association Diabetes. Système International Units for Plasma, Serum or Blood Concentrations http://diabetes.diabetesjournals.org/site/misc/SIunits.pdf
2. In vitro and in vivo potency of insulin analogues designed for clinical use;Vølund;Diabet Med,1991
3. American Medical Association AMA Manual of Style http://www.amamanualofstyle.com/page/si-conversion-calculator
4. Wiley Online Library Author Guidelines http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1464-5491/homepage/ForAuthors.html
5. Society for Endocrinology Journal of Endocrinology: Instructions for Authors http://joe.endocrinology-journals.org/site/misc/For-Authors.xhtml