...
机译:你真的会游泳吗?父母的报道inwater游泳技能儿童游泳测试参加社区池在华盛顿州
Ctr Dis Control & Prevent CDC, Epidem Intelligence Serv, Ctr Surveillance Epidemiol & Lab Serv, Off;
CDC, Div Anal Res & Practice Integrat, Natl Ctr Injury Prevent & Control, Atlanta, GA 30341 USA;
CDC, Div Unintent Injury Prevent, Natl Ctr Injury Prevent & Control, 4770 Buford Hwy NE,MS F-62Seattle Childrens Hosp, Seattle, WA USA;
Washington; Accidental Injury; ChildParentsDrowning;