Sequence diversity and linkage disequilibrium within the Merozoite surface protein-1 (Msp-1) locus of Plasmodium falciparum: a longitudinal study in Brazil - Silveira, Lucimeire A. da; Ribeiro, W L; Kirchgatter, K; Wunderlich, Gerhard; Matsuoka, H; Tanabe, Kazuyuki; Ferreira, Marcelo Urbano (Journal of Eukariotic Microbiology, 2001)