血清β-HCG、孕酮联合B超测定对早期异常妊娠诊断价值探讨
혈청β-HCG、잉동연합B초측정대조기이상임신진단개치탐토
Exploration of diagnostic value of serum β- HCG, progesterone and B -ultrasonography on differentiating early abnormal pregnancy disease
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