Effect of increased cost-sharing on oral hypoglycemic use in five managed care organizations: how much is too much?
Roblin DW, Platt R, Goodman MJ, Hsu J, Nelson WW, Smith DH, Andrade SE, Soumerai SB. Effect of increased cost-sharing on oral hypoglycemic use in five managed care organizations: how much is too much? Med Care. 2005 Oct; 43(10):951-9.