血清β-HCG、孕酮联合B超动态测定在稽留流产早期诊断中的价值
혈청β-HCG、잉동연합B초동태측정재계류유산조기진단중적개치
Value of serum β-HCG and progesterone combined with dynamic B-ultrasonography in early diagnosis of missed abortion
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