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HARVARD Citation
Hallas, J. et al. (2021). The Use of Active Comparators in Self-Controlled Designs. American journal of epidemiology. 190 (10), pp. 2181-2187. [Online].
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Hallas, J. et al. (2021). The Use of Active Comparators in Self-Controlled Designs. American journal of epidemiology. 190 (10), pp. 2181-2187. [Online].