Freedman, L. S. (1989). The size of clinical trials in cancer research--what are the current needs? Medical Research Council Cancer Therapy Committee. Nature Publishing Group.
Stile di citazione ChicagoFreedman, L. S. The Size of Clinical Trials in Cancer Research--what Are the Current Needs? Medical Research Council Cancer Therapy Committee. Nature Publishing Group, 1989.
Citazione MLAFreedman, L. S. The Size of Clinical Trials in Cancer Research--what Are the Current Needs? Medical Research Council Cancer Therapy Committee. Nature Publishing Group, 1989.
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