Chronic constipation and co-morbidities: a prospective population-based nested case-control study

- Choung, Rok S., Rey, Enrique, Locke III, G. Richard, Schleck, Cathy D., Baum, Charles, Zinsmeister, Alan R., Talley, Nicholas J.

Factors associated with persistent and nonpersistent chronic constipation, over 20 years

- Choung, Rok Seon, Locke, G. Richard, Rey, Enrique, Schleck, Cathy D., Baum, Charles, Zinsmeister, Alan R., Talley, Nicholas J.

Prevalence of hidden gastroparesis in the community: the gastroparesis "iceberg"

- Rey, Enrique, Choung, Rok Seon, Schleck, Cathy D., Zinsmeister, Alan R., Talley, Nicholas J., Locke III, G. Richard