Reference 1: Calcium (mg/day).
Reference 2: 0–6 months, 7–12 months, 1–3 years, 4–8 years, 9–18 years, 19–50 years, 51–70 years (male), 51–70 years (female) and 71+ years.
Source: http://en.wikipedia.org/wiki/Calcium#Nutrition
Reference 2: 0–6 months, 7–12 months, 1–3 years, 4–8 years, 9–18 years, 19–50 years, 51–70 years (male), 51–70 years (female) and 71+ years.
Source: http://en.wikipedia.org/wiki/Calcium#Nutrition
