Original ResearchPublished 5 August 2026Diagnostic delay, SERPING1 allelic heterogeneity, and real-world lanadelumab prophylaxis in Chinese patients with hereditary angioedema due to C1 inhibitor deficiencyWenjin Du · Siqin Wang · Ke Yang · Qiuxing Zhang · Xianghua Lin · Wenchao Zhang · Weili GuoFrontiers in Allergydoi 10.3389/falgy.2026.1899305