Clemens JD, Harris JR, Sack DA, Chakraborty J, Ahmed F, Stanton BF, Khan MU, Kay BA, Huda N, Khan MR, et al. Field trial of oral cholera vaccines in Bangladesh: results of one year of follow-up. J Infect Dis. 1988 Jul;158(1):60-9.
Clemens JD, Harris JR, Sack DA, Chakraborty J, Ahmed F, Stanton BF, Khan MU, Kay BA, Huda N, Khan MR, et al. Field trial of oral cholera vaccines in Bangladesh: results of one year of follow-up. J Infect Dis. 1988 Jul;158(1):60-9.