Radiotherapy versus radiotherapy plus chemotherapy in stages I and II Hodgkin's disease. A prospective, randomized study by the Danish National Hodgkin Study Group, LYGRA.
Nissen NI, Nordentoft AM, Brincker H, Andersen E, Jensen MK, Nielsen JB, Pedersen-Bjergaard J, Jensen TS, Jensen KB, Videbaek A, Pedersen M, Walbom-Jørgensen S.