Objective measurement of work absence and on-the-job productivity: a case-control study of US employees with and without gastroesophageal reflux disease Mar 1, 2020
Direct cost similarities by point of service for persons with Constipation and Irritable Bowel Syndrome with Constipation in the 6 Months Before and After Diagnosis: An employer perspective Mar 1, 2020
Annual Direct and Indirect Cost of Illness in Employees with Irritable Bowel Syndrome plus Constipation Mar 1, 2020
Comparisons of Relative Risks of Serious Comorbidities Among Employees with and without Insomnia, GERD, Hepatitis C, Multiple Sclerosis and Chronic Constipation. (ISPOR) Mar 1, 2020