Correction: Travel Time and Perinatal Mortality after Emergency Caesarean Sections: an Evaluation of the 2-Hour Proximity Indicator in Sierra LeoneRenata Micha,Dariush Mozaffarian,Patrick Webb,Gitanjali M Singh,Victoria Miller,Jennifer Onopa,Julia Reedy,Peilin Shi,Jianyi Zhang,Adeem Tahira,Masha L Shulkin Morris,Daniel P Marsden,Sarah Kranz,Sally StoyellBMJ global health(2021)引用 15|浏览18AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要