Opperman, J C Prevalence of antibodies to human T-cell leukemia virus. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Jul 1984 - 86 p. digital Publication Type: Letter ISSN: 0256-9574 Subjects--Topical Terms: AnimalsAntibodies, Viral--analysisCercopithecus--immunologyChlorocebus aethiops--immunologyDeltaretrovirus--immunologyPapio--immunology