* {{en}} [http://www.seattlechildrens.org/child_health_safety/resources/health/nutrition_fitness/nutrition.asp Infant nutrition information] from Seattle's [[Children's Hospital and Regional Medical Center]].
* {{en}} [http://www.askdrsears.com/html/2/T021600.asp ''Comparison of Human Milk and Formula'']
* {{en}} [http://www.lalecheleague.org/FAQ/milkstorage.html La Leche League] Human Milk Storage Information