Poulos C, Bahl R, Whittington D, Bhan MK, Clemens JD, Acosta CJ. A cost-benefit analysis of typhoid fever immunization programmes in an Indian urban slum community. J Health Popul Nutr. 2004 Jan 1;22(3):311-21.
Bahl R, Sinha A, Poulos C, Whittington D, Sazawal S, Kumar R, Mahalanabis D, Acosta CJ, Clemens JD, Bhan MK. Costs of illness due to typhoid fever in an Indian urban slum community: implications for vaccination policy. J Health Popul Nutr. 2004 Jan 1;22(3):304-10.
Allan JS, Kanda P, Kennedy RC, Cobb EK, Anthony MS, Eichberg JW. Isolation and characterization of simian immunodeficiency virus from two subspecies of African green monkeys. Aids Res Hum Retrovir. 1990 Mar;6(3):275-85.
Rothman KJ, Wepsic JG. Side of facial pain in trigeminal neuralgia. J Neurosurg. 1974 Jan 1;40(4):514-6.