The prospective observational study included 284 patients hospitalized for an MI.
前瞻性观察研究包括284例入院治疗MI的病人。
Study Design. Prospective, observational study.
研究设计：前瞻性观察研究。
METHODS: A prospective, observational study was conducted to assess the effect of the immobilization devices on braking times.
方法：进行一项评价制动器械对刹车时间影响的前瞻性观察性研究。
METHODS: A prospective, observational study was conducted to assess the effect of the immobilization devices on braking times.
方法：进行一项评价制动器械对刹车时间影响的前瞻性观察性研究。
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