Elevated maternal serum human chorionic gonadotropin associated with a chromosomal deletion.G Kohn,E Preisler,G MalingerPRENATAL DIAGNOSIS(1992)引用 2|浏览1暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要