| absence of human t-lymphotropic virus types i and ii infection in an ontario hemophilia population. | two hundred ninety-three serum samples from ontario hemophiliacs and 200 samples from human immunodeficiency virus-positive blood donors were screened for the presence of antibodies to human t-lymphotropic virus type i (htlv-i) by enzyme-linked immunosorbent assay, radioimmunoassay, and western blot techniques. none of the serum samples provided unequivocal positive results, but several samples gave inconclusive results. of the hemophiliacs with inconclusive serologic results from whom periphera ... | 1992 | 1502703 |