original question: 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]?
answer: federal government of the united states
answer type: Medical trial health authority.
what  type Medical trial health has authority over 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]?