Circulation
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During out-of-hospital cardiac arrest, it is unclear how long prehospital resuscitation efforts should be continued to maximize lives saved. ⋯ URL: http://www.umin.ac.jp/ctr/. Unique identifier: 000009918.
During out-of-hospital cardiac arrest, it is unclear how long prehospital resuscitation efforts should be continued to maximize lives saved. ⋯ URL: http://www.umin.ac.jp/ctr/. Unique identifier: 000009918.