Fig. 2From: Trans fatty acid intake among Chinese population: a longitudinal study from 1991 to 2011a. TFA intake of 19–60 years group in each survey province in year 1991. b. TFA intake of 19–60 years group in each survey province in year 2000. c. TFA intake of 19–60 years group in each survey province in year 2011Back to article page