what medical trial health authority has a medical trial with references preirradiation chemotherapy with cyclophosphamide, doxorubicin, vincristine, and dexamethasone for primary cns lymphomas: initial report of radiation therapy oncology group protocol 88-06?
(AND medicine.medical_trial_health_authority (JOIN medicine.medical_trial_health_authority.medical_trials (JOIN medicine.medical_trial.references m.040v961)))