CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for the two major radio systems used in cell phones. Both acronyms tend to group together a bunch of technologies run by the same entities. In this story, I'll try to explain who uses which technology and what the real differences are.
Dairy. Dairy products provide nutrients that are critical for bone health, including calcium, potassium and vitamin D. Dairy is also a source of protein. The benefit dairy provides for bones makes consumption especially critical for growing children, whose bone mass is developing.
WHO (2000) has been used as the standard reference for Nutritional Requirements. The Nutritional Requirements for Energy and 10 out of 13 nutrients are from WHO (2000). The exceptions are Protein, Vitamin B6 and Zinc. WHO (2000) recommends 46 gram of Protein per day, which is low compared to the Sphere Project (2004).