文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
A Berkowitz
发表
THE EFFECT OF MOTORCYCLE HELMET USAGE ON HEAD INJURIES, AND THE EFFECT OF USAGE LAWS ON HELMET WEARING RATES
A Berkowitz, 1981 .
EVALUATION OF STATE MOTORCYCLE HELMET LAWS USING THE NATIONAL ELECTRONIC INJURY SURVEILLANCE SYSTEM
A Berkowitz, 1982 .