作者单位:
Univ Nebraska Med Ctr, Coll Nursing, Omaha, NE 68198 USA
[1]
Univ Nebraska Med Ctr, Cent States Ctr Agr Safety & Hlth, Omaha, NE 68198 USA
[2]
VA Nebraska Western Iowa Healthcare Syst, Omaha, NE USA
[3]
Univ Nebraska Med Ctr, Coll Publ Hlth, Dept Hlth Promot Social & Behav Hlth, Omaha, NE 68198 USA
[4]
发布时间
2015-04-15