Jeuland M, Maskery B, Cook J, Poulos C, Clemens J, Lauria D, Stewart J, Lucas M, Whittington D. Incorporating cholera vaccine herd protection into economic cost-benefit and cost-effectiveness models. Procedia Vaccinol. 2010;2(2010):140-6. doi: 10.1016/j.provac.2010.07.006
Pueschel SM, Rothman KJ, Ogilby JD. Birth weight of children with down's syndrome. Am J Ment Defic. 1976 Jan;80(4):442-5.