原文文献：

Meegdes M, Geurts SME, Erdkamp FLG, Dercksen MW, Vriens BEPJ, Aaldering KNA, Pepels MJAE, van de Winkel LMH, Teeuwen NJA, de Boer M, Tjan-Heijnen VCG. The implementation of CDK 4/6 inhibitors and its impact on treatment choices in HR+/HER2- advanced breast cancer patients: A study of the Dutch SONABRE Registry. Int J Cancer. 2022 Jan 1;150(1):124-131. doi: 10.1002/ijc.33785. Epub 2021 Sep 14.