Slow-transit constipation with concurrent upper gastrointestinal dysmotility and its response to transcutaneous electrical stimulation by Yik, Yee Ian, Clarke, Melanie C. C., Catto-Smith, Anthony G., Robertson, Val J., Sutcliffe, Jonathan R., Chase, Janet W., Gibb, Susan, Cain, Timothy M., Cook, David J., Tudball, Coral F., Hutson, John M., Southwell, Bridget R.