The 'shoe-box effect'.
Motheral
B
B
Teitelbaum
F
F
Toan
B
B
D011307:Drug Prescriptions / Q000191:economics*; D006801:Humans; D007344:Insurance Claim Reporting / Q000706:statistics & numerical data*; D007356:Insurance, Pharmaceutical Services / Q000706:statistics & numerical data*; D014481:United States