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2. Pearl, J., Mackenzie, D.: The Book of Why: The New Science of Cause and Effect. Basic books, New York (2018)
3. Hernan, M., Robins, J: Causal Inference: What If. Boca Raton: Chapman & Hall/CRC (2020)
4. FDA Guidance Document (2021): Real-World Data: Assessing Electronic Health Records and Medical Claims Data To Support Regulatory Decision-Making for Drug and Biological Products, https://www.fda.gov/media/152503/download
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