Umbrella‐Popcorn Chip With Planar Hotspots Enables Uniform SERS Fingerprinting for Accurate HPV DNA Subtyping and Clinical Validation - Liangliang Jiang; Zibo Gao; Xianqi Sun; Chaochao Ma; Guangrun Wu; Siqi Gong; Jiacheng Li; Yaowen Xing; Mingxu Zhang; Yingji Wang; Jing Wu; Jing Wang; et al. (Advanced Functional Materials, 2026)