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MLA Citation
Hans Ulrich Burger et al.. “The use of external controls: To what extent can it currently be recommended?.” Pharmaceutical statistics, vol. 20, 2021, pp. 1002–1016. http://access.bl.uk/ark:/81055/vdc_100146093471.0x000017
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Hans Ulrich Burger et al.. “The use of external controls: To what extent can it currently be recommended?.” Pharmaceutical statistics, vol. 20, 2021, pp. 1002–1016. http://access.bl.uk/ark:/81055/vdc_100146093471.0x000017