CDK4/6 inhibitors have an established role in the treatment of hormone receptor positive HER2-negative advanced breast cancer. All studies conducted in metastatic breast cancer showed a benefit in delaying progression when added to standard endocrine therapy. regardless of therapy line. pretreatment. https://cbujhk8m278n.aioblogs.com/87843930/detection-and-genetic-characterization-of-feline-bocavirus-in-northeast-china