作者单位:
Massachusetts Dept Publ Hlth, Massachusetts Ctr Birth Defects Res & Prevent, Boston, MA USA
[1]
Texas Dept State Hlth Serv, Birth Defects Epidemiol & Surveillance Branch, Austin, TX USA
[2]
Univ Iowa, Coll Publ Hlth, Dept Epidemiol, Iowa City, IA USA
[3]
Univ Utah, Sch Med, Dept Pediat, Div Med Genet, Salt Lake City, UT USA
[4]
发布时间
2015-09-03