Risk associated with malaria infection in Tihama Qahtan, Aseer region, Kingdom of Saudi Arabia: 2006-2007 by Alshahrani, A, Abdelgader, T, Mohya, M, Jubran, S, Abdoon, A, Daffalla, A, Babiker, A, Kyalo, D, Noor, A, Al-Zahrani, M, Snow, R