Defective human T-cell lymphotropic virus type I (HTLV-I) provirus in 10 Chilean seronegative patients with tropical spastic paraparesis or HTLV-I-associated myelopathy.

Defective human T-cell lymphotropic virus type I (HTLV-I) provirus in 10 Chilean seronegative patients with tropical spastic paraparesis or HTLV-I-associated myelopathy.