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HOW VALID IS THE USE OF RETROSPECTIVE CONTROLS IN CLINICAL TRIALS?

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HOW VALID IS THE USE OF RETROSPECTIVE CONTROLS IN CLINICAL TRIALS?. Inpharma Wkly. 215, 3 (1979). https://doi.org/10.1007/BF03302531

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  • DOI: https://doi.org/10.1007/BF03302531

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