The IgG-subclass distribution of naturally acquired antibodies to Plasmodium falciparum, in relation to malaria exposure and severity - Ferreira, Marcelo Urbano; Kimura, Emilia Akemi Shiraishi; Katzin, Alejandro Miguel; Santos-Neto, L L; Ferrari, J O; Villalobos, J M; Carvalho, M E (Annals of Tropical Medicine and Parasitology, 1998)