E. A. Okong'o-Odera

Immunity to tetanus and diphtheria in rural Africa.

K. Kjeldsen, A. Hey, I. Heron, 1997, The American journal of tropical medicine and hygiene.

Field application of an ELISA using redefined Leishmania antigens for the detection of visceral leishmaniasis.

A. Kharazmi, J. Githure, D. Koech, 1993, Transactions of the Royal Society of Tropical Medicine and Hygiene.