... Kizawa H, Kou I, Iida A, Sudo A, Miyamoto Y, Fukuda A, Mabuchi A, Kotani A, Kawakami A, Yamamoto S, Uchida A, Nakamuna K, Notoya K,Nakamura Y, Ikegawa S: Anaspartic acid repeat polymorphism in ... JDgenotyped the samples and participated in the design and analysis of the study. PZ, JQ, LZ, HZ, BZ, XQ, ZX and DC evaluated the patients andgenotyped these samples. LY and SI coordinated the study. ... aspartic acid repeat; DDH, developmental dysplasia of the hip.Table 2 Association of the D- repeat of ASPN in patients with DDH in a Han Chinese populationGroups compared D1 4 vs. Others D1 3 vs. Others...