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.
Li et al. BMC Public Health 2013 13:161 doi:10.1186/1471-2458-13-161