Figure 1From: Geographic and urban–rural disparities in the total prevalence of neural tube defects and their subtypes during 2006–2008 in China: a study using the hospital-based birth defects surveillance system The PR of NTDs and its subtypes in different provinces of Mainland China in 2006-2008. (A) The PR of anencephaly in different province. (B) The PR of spina bifida in different province. (C) The PR of encephalocele in different province. (D) The PR of NTDs in different province.Back to article page