Wnukiewicz-Kozłowska, A. and Drozdowska, U.D. 2021. Causal Effect Relationship in Medical Cases. An Old Problem in a New Scenario. Commentary to CJEU Judgment (Second Chamber) of 21 June 2017, N.W. & Others V. Sanofi Pasteur MSD & Others, Case C-621/15, EU:C:2017:484. Approbative Gloss. Review of European and Comparative Law. 46, 3 (Aug. 2021), 263–290. DOI:https://doi.org/10.31743/recl.12264.