Sources
https://www.womenshealth.gov/breastfeeding/pumping-and-breastmilk-storage.html (Accessed December 29 2016)
HYPERLINK "http://www.fda.gov/Medicaldevices/Productsand%20medicalprocedures/homehealthandconsumer/Consumer%20products/Breastpumps/ucm061939.htm"http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/HomeHealthandConsumer/ConsumerProducts/BreastPumps/ucm061965.htm (Accessed December 29 2016)
Last revised: November, 2016