A Novel Sensitive Technique to Detect ESR1 Hotspot Mutations in Liquid Biopsy Using Switch‐Blocker–Enhanced Targeted Amplification Coupled With Pyrosequencing. - Zhou, Yantong; Wang, Wenna; Lan, Bo; Li, Chunxiao; Wang, Jinsong; Wang, Ting; Sun, Fangzhou; Wang, Yan; Qian, Haili; Ma, Fei (Cancer Innovation, 2026)