David B. Hipgrave, MBBS, PhD, FRACP; Suying Chang, MSc, PhD; Xiaowei Li, PhD; et al.
free access
JAMA. 2016;315(7):703-705. doi:10.1001/jama.2015.15816
This nutritional epidemiology study compares salt and sodium intake in China in 2000 and in 2009-2012.