Okazaki, Mitsu, Masaichi Okazaki, Paulo Miranda, Joan Neto, Vilneide Diegues, Joan Alves, Machado Cauas, et al. 1988. “ Parasitological and Serological Studies on Amoebiasis and Other Intestinal Parasitic Infections in Recife and Its Suburban Area, Northeast Brazil ”. Revista Do Instituto De Medicina Tropical De São Paulo 30 (4): 313-21. https://www.revistas.usp.br/rimtsp/article/view/28604.