1、
Cryptorchidism is a common congenital abnormality of pediatric genitourinary system.
隐症是临床上常见的小儿泌尿生殖系统先天畸形的疾病.
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2、
Objective To discuss the value of prenatal ultrasound diagnosis of fetus congenital abnormality.
目的探讨胎儿畸形的产前超声诊断的临床价值.
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3、
