
Value of the levels of progesterone and serumβ-human chorionic gonadotropin combined with the ultrasound examination for diagnosing the early ectopic pregnancy
OU Wenfang, ZENG Limei, QIN Xiaotang
Chinese Journal of Family Planning ›› 2023, Vol. 31 ›› Issue (7) : 1651.
Value of the levels of progesterone and serumβ-human chorionic gonadotropin combined with the ultrasound examination for diagnosing the early ectopic pregnancy
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