Colonic transit time in patient with slow-transit constipation: comparison of radiopaque markers and barium suspension method.
Xu
Hui-Min
HM
Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongtina Lu, Chaoyang District, Beijing 100020, PR China.
Han
Jia-Gang
JG
Na
Ying
Y
Zhao
Bo
B
Ma
Hua-Chong
HC
Wang
Zhen-Jun
ZJ