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.
Phanikumar CV, Maitra B. Willingness-to-pay and preference heterogeneity for rural bus attributes. J Transp Eng A-Syst. 2007 Jan;133(1).
Dreyer NA, Loughlin JE, Rothman KJ. Epidemiologic safety surveillance of cellular telephones in the US. Radiat Prot Dosimetry. 1999 Jun;83(1):159-63.