G Martinelli, PL Zinzani, and P Farabegoli. 1996. “Purine Analogs (fludarabine and 2-Chlorodeoxyadenosine) As Apoptosis-Inducing Drugs in CML Therapy”. Haematologica 81 (3). Pavia, Italy, 286-87. https://doi.org/10.3324/%x.