Alice, M. Nyakeriga; Marita, Troye-Blomberg; Jeffrey, R. Dorfman; Neal, D. Alexander; Rune, Back; Moses, Kortok; Alex, K. Chemtai; Kevin, Marsh; Thomas, , N. Williams(Infectious Diseases Society of America, 2004-01-01)
Winstone, M. Nyandiko; Samuel, Ayaya; Esther, Nabakwe; Constance, Tenge; John, E. Sidle; Constantin, T. Yiannoutsos; Beverly, Musick; Kara, Wools-Kaloustian; William, M. Tierney(Moi university, 2006-08-08)