Genetic origin of α(0)-thalassemia (SEA deletion) in Southeast Asian populations and application to accurate prenatal diagnosis of Hb Bart's hydrops fetalis syndrome

东南亚人群中α(0)-地中海贫血（SEA缺失）的遗传起源及其在Hb Bart's胎儿水肿综合征产前准确诊断中的应用