作者单位:
Oregon Hlth & Sci Univ,Oregon Hlth & Sci Univ, Dept Emergency Med, Ctr Policy & Res Emergency Med
[1]
Oregon Hlth & Sci Univ,Oregon Hlth & Sci Univ, Dept Obstet & Gynecol, Portland, OR 97201 USA
[2]
Oregon Hlth & Sci Univ,Oregon Hlth & Sci Univ, Dept Internal Med, Div Geriatr, Portland, OR 97201
[3]
Univ Washington,Univ Washington, Dept Surg, Seattle, WA 98195 USA
[4]
发布时间
2022-10-30