作者单位:
Univ Alberta, Dept Emergency Med, Edmonton, AB T6G 2M7, Canada
[1]
Univ Montreal, Div Neurol, Montreal, PQ H3C 3J7, Canada
[2]
Alberta Hlth Serv, Dept Emergency Med Serv, Edmonton, AB, Canada
[3]
Univ Alberta, Div Neurol, Edmonton, AB T6G 2M7, Canada
[4]
发布时间
2017-04-06