Leung, A., Kwok, J., Lie, A., Chen, P., Chen, F. and Liang, R. (2001) “Helper T-lymphocyte precursor frequency predicts the occurrence of graft-versus-host disease and disease relapse after allogeneic bone marrow transplantation from HLA-identical siblings”, Haematologica. Pavia, Italy, 86(6), pp. 652-656. Available at: https://haematologica.org/article/view/2057 (Accessed: 5November2026).