The problem of invisibility--fees edition.
Blake
Rob
R
D004782:Environmental Health / Q000191:economics*; D005381:Financing, Organized / Q000379:methods; D006291:Health Policy / Q000191:economics*; D006801:Humans; D011057:Politics; D011634:Public Health / Q000191:economics*; D013660:Taxes; D014481:United States