Delay in receiving emergency obstetric care and associated factors among mothers who gave birth in public hospitals of Bale and East Bale zones, Oromia region, South East Ethiopia: Facility based cross-sectional study

埃塞俄比亚东南部奥罗米亚州巴莱和东巴莱地区公立医院分娩母亲延迟接受紧急产科护理及其相关因素：基于医疗机构的横断面研究