Prophylactic Administration of Cefazolin Prior to Skin Incision versus Antibiotics at Cord Clamping in Preventing Postcesarean Infectious Morbidity: A Systematic Review and Meta-Analysis of Randomized Controlled TrialsJu-Xiang Sun, Jing Liu, Jinhua Liu et al.|Gynecologic and Obstetric Investigation|2013Cited by 28