1. National consensus in China on perinatal diagnosis, evaluation and clinical disposal of cardiac birth defects;Chin J Pediatr Surg,2018
2. Population data . National data from national Bureau of statistics of China, 2016. Available: http://data.stats.gov.cn/easyquery.htm?cn=C01&zb=A0301&sj=2016 [Accessed 31 Aug 2018].
3. Chinese white paper on heart surgery and extracorporeal circulation data 2016;Hei;Chin J ECC,2017