Burudi EM, Karanja SM, Njue AI, Githiori JB, Ndung'u JM. Establishment of a partly DFMO-sensitive primate model of Trypanosoma rhodesiense sleeping sickness. Acta Trop. 1995 Mar;59(1):71-3.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.