作者单位:
Hosp Univ Penn, Dept Radiol, 3400 Spruce St, Philadelphia, PA 19104 USA
[1]
Hosp Univ Penn, Dept Med, Div Gastroenterol, 3400 Spruce St, Philadelphia, PA 19104 USA
[2]
Hosp Univ Penn, Dept Radiat Oncol, 3400 Spruce St, Philadelphia, PA 19104 USA
[3]
发布时间
2020-11-17