1. Swerdlow S, Campo E, Harris N, et al. (eds). WHO Classification of Tumours of Haematopoietic and Lymphoid Tissues. International Agency for Research on Cancer: Lyon, France, 2008.
2. Mason DY, Harris NL, Delsol G, et al. Anaplastic large cell lymphoma, ALK-negative. In: Swerdlow S, Campo E, Harris N, et al. (eds). WHO Classification of Tumours of Haematopoietic and Lymphoid Tissues, 4th edn, Vol., International Agency for Research on Cancer: Lyon, France, 2008, pp 317–319.
3. Ralfkiaer E, Willemze R, Paulli M, et al. Primary cutaneous CD30-positive T-cell lymphoproliferative disorders. In: Swerdlow S, Campo E, Harris N, et al. (eds). WHO Classification of Tumours of Haematopoietic and Lymphoid Tissues, 4 edn, Vol., International Agency for Research on Cancer: Lyon, France, 2008, pp 300–301.
4. Bekkenk MW, Geelen FA, van Voorst Vader PC, et al. Primary and secondary cutaneous CD30(+) lymphoproliferative disorders: a report from the Dutch Cutaneous Lymphoma Group on the long-term follow-up data of 219 patients and guidelines for diagnosis and treatment. Blood 2000;95:3653–3661.
5. Savage KJ, Harris NL, Vose JM, et al. ALK- anaplastic large-cell lymphoma is clinically and immunophenotypically different from both ALK+ ALCL and peripheral T-cell lymphoma, not otherwise specified: report from the International Peripheral T-Cell Lymphoma Project. Blood 2008;111:5496–5504.