- Human T lymphotropic virus type II (HTLV-II) infection in a cohort of New York intravenous drug users: an old infection? Khabbaz, R.F., Hartel, D., Lairmore, M., Horsburgh, C.R., Schoenbaum, E.E., Roberts, B., Hartley, T.M., Friedland, G. J. Infect. Dis. (1991)