569: Does hospital type influence the timing of preterm birth and neonatal morbidity?

• 作者Candice Snyder; Katherine Wolfe; Ryan Loftin; Sammy Tabbah; David Lewis; Emily DeFranco
• 卷第201卷
• 印刷ISSN0002-9378
• 电子ISSN1097-6868
• 文件大小104.10KB
• 发表时间2009
• DOI10.1016/j.ajog.2009.10.434