

Journal of China Clinic Medical Imaging
Study on the relation between the presence of a yolk sac and β-hCG level in ectopic pregnancy
XUE Qin;ZOU Da-zhong;ZHANG Zhi-min;XU Yu-fang;TAN Jie
Journal of China Clinic Medical Imaging ›› 2010, Vol. 21 ›› Issue (12) : 893-895.
Study on the relation between the presence of a yolk sac and β-hCG level in ectopic pregnancy
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