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"Yselty EPAR". European Medicines Agency (EMA). 14 December 2021. Retrieved 19 August 2022. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
"Yselty: Pending EC decision". European Medicines Agency. 16 December 2021. Retrieved 18 December 2021. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.