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Research and development costs	6 Months Ended
Research and development costs	Jun. 30, 2020
Research and development costs
Research and Development Costs	10. Research and development costs Research and development costs amount to € 8,587,000 for the three month period ended June 30, 2020 (2019: € 9,523,000) and are comprised of allocated employee costs including share-based payments, the costs of materials and laboratory consumables, outsourced activities, license and intellectual property costs and other allocated costs.