机译:耦合与直邮财务激励以人群为基础的实践:一项随机试验乳房x光检查促销
Minnesota Dept Educ, St Paul, MN USA;
Minnesota Dept Hlth, St Paul, MN USA;
Medicare; Randomized Controlled Trial; Direct mailLogic programmingcharacter-based programincentives;
机译:Impact of Free Glasses and a Teacher Incentive on Children's Use of Eyeglasses: a Cluster-Randomized Controlled Trial