Nakauchi, C.; Maruyama, K.; Kanzaki, L.; Linhares, A.; Azevedo, V.; Fukushima, T.; Miyauchi, M.; Koshikawa, N.; Tamayama, C.; Mochizuki, S.; Kawamura, K. Prevalence of HTLV-I Antibody Among Two Distinct Ethnic Groups Inhabiting the Amazon Region of Brazil . Rev. Inst. Med. Trop. São Paulo 1992, 34 (4), 323-328.