Clinical Analysis of 9 Cases of Pediatric Williams-Beuren Syndrome 
HUANG Qin-rong,XIAO Nong*,CHEN Yu-xia,LIU Ling,JIANG Wei,HOU Xue-qin,FENG Ying,ZHANG Ting
Chinese General Practice . 2018, (18): 2238 -2241 .  DOI: 10.3969/j.issn.1007-9572.2018.00.060