a study of adult t-cell leukemia virus (atlv) infection in the field of obstetrics: its epidemiology, vertical transmission and familial clustering. | nine hundred and seventy-one healthy individuals in iwate prefecture, 659 pregnant women in ishigaki island, 487 pregnant women in chiba prefecture and 108 familial members of the atla-ab-positive pregnant women (pregnant carrier women) were tested for atla-ab by the pa, eia and wb tests. 1) the rate of agreement of eia with the pa test was 88.4% and there were no false negative sera by both examinations. these results indicate the both tests are available for mass screening. 2) in iwate and chi ... | 1991 | 1676586 |