Point-of-service: options that may help attract HMO members.
D003256:Community Participation; D006264:Health Benefit Plans, Employee / Q000706:statistics & numerical data*; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D015273:Insurance Selection Bias; D007348:Insurance, Health / Q000706:statistics & numerical data*; D008389:Marketing of Health Services / Q000379:methods*; D008962:Models, Theoretical; D014481:United States