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机译:Relationship between out‐of‐facility deliveries and distance and travel time to delivery facilities in Hokkaido, Japan: An ecological study
Department of Obstetrics and Gynecology,Hokkaido University Graduate School of Medicine;
Department of Public Health,Hokkaido University Faculty of Medicine;
Hokkaido; out‐of‐facility delivery; out‐of‐hospital delivery; unplanned home birth; vital statistics in Japan;