作者单位:
Wake Forest Sch Med, Pulm Crit Care Allergy & Immunol Dis, Winston Salem, NC USA
[1]
Univ N Carolina, EMS Performance Improvement Ctr, Chapel Hill, NC 27515 USA
[2]
Wake Forest Sch Med, Emergency Med, Winston Salem, NC USA
[3]
Univ N Carolina, Sch Med, Pediat Pulmonol, Chapel Hill, NC 27515 USA
[4]
Allergy & Asthma Med Grp, Bay Area, San Francisco, CA USA
[5]
发布时间
2019-11-13