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Title: Which fetal structure has the highest oxygen concentration? Post by: jackryan123 on Feb 6, 2018 Which fetal structure has the highest oxygen concentration?
A) Umbilical artery B) Umbilical vein C) Ductus arteriosus D) Pulmonary vein Title: Which fetal structure has the highest oxygen concentration? Post by: Many2100 on Feb 6, 2018 Content hidden
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