Jumba, Bernard N; Anjili, Christopher O; Makwali, Judith; Ingonga, Johnstone; Nyamao, Rose; Marango, Sylvia; Choge, Joseph K; Wandabwa, Christopher K(BMC research notes, 2015)
Marango, Sylvia N; Wandabwa, Christopher K; Makwali, Judith A; Jumba, Bernard N; Choge, Joseph K; Adino, Eric O; Anjili, Christopher O(BMC research notes, 2017-12-06)