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1 A case of spontaneous heterotopic pregnancy presenting with heart activity of both embryos
Hyun-Soo Jeon, Hyun-Jun Shin, Ick-Hee Kim, Doo-Yong Chung
Korean J Obstet Gynecol.2012;55(5):339-342.   Published online 2012 May 16     DOI: http://dx.doi.org/10.5468/KJOG.2012.55.5.339
      

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