经腹及经阴道三维超声对11~14孕周胎儿畸形的诊断价值
경복급경음도삼유초성대11~14잉주태인기형적진단개치
Diagnosic value of transabdominal sonography and three-dimensional transvaginal ultrasound in screening for fetal malformations during 11~14 weeks
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