title: The working uninsured: a lucrative market for innovative providers.
authors.forename: D O
authors.initials: DO
authors.lastname: Weber
mesh_terms: D000328:Adult; D000368:Aged; D002140:California; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D008389:Marketing of Health Services; D017057:Medically Uninsured / Q000706:statistics & numerical data*; D008824:Michigan; D008875:Middle Aged; D011203:Poverty; D011320:Primary Health Care / Q000191:economics*; D014481:United States; D014861:Washington