Goyal RK, Patel JG, Sansgiry SS. Pharmacists perceptions of drug reimbursement rates and processing times among managed care plans. Drug benefit trends: a publication for manager and health professionals in hmos and ppos. 2010;22(4):116-20.
Glass RL, Rothman KJ, Espinal F, Velez H, Smith NJ. Prevalence of human dental caries and water-borne trace metals. Arch Oral Biol. 1973 Sep;18(9):1099-104. doi: 10.1016/0003-9969(73)90083-6