Authors: Qian Zhang; Qi Shen; Joseph Celestino; Michael R Milam; Shannon N Westin; Robin A Lacour; Larissa A Meyer; Gregory L Shipley; Peter J A Davies; Lei Deng; Adrienne S McCampbell; Russell R Broaddus; Karen H Lu Journal: Am J Obstet Gynecol Date: 2009-02 Impact factor: 8.661