JT Hartmann, I Meisinger, SM Krober, K Weisel, K Klingel, L Kanz. Progressive bicytopenia due to persistent parvovirus B19 infection after immunochemotherapy with fludarabine/cyclophosphamide and rituximab for relapsed B cell lymphoma. Haematologica 2006;91(12_Suppl):ECR49-ECR49; https://doi.org/10.3324/%x.