Efficacy of the RTS,S/AS02A vaccine against Plasmodium falciparum infection and disease in young African children: randomised controlled trial. - Alsonso, Pedro L.; Sacarlal, Jahit; Aponte, John J.; Leach, Amanda; Macete, Eusebio; Milman, Jessica; Mandomando, Inacio; Spiessens, Bart; Guinovart, Caterina; Espasa, Mateu; Bassat, Quique; Aide, Pedro; et al. (Lancet, 2004)