| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2000 | 978-0-9656837-2-2 | Douglas A. Drossman | Rome II: The Functional Gastrointestinal Disorders |
| 2001 | 978-0-9656837-3-9 | Douglas W. ยท Association of Christian Therapists (Rochester, N.Y.) Schoeninger | A Primer For Christian Healthcare Practice |
| 2006 | 978-0-9656837-5-3 | Douglas, Ed. Drossman | Rome III: The Functional Gastrointestinal Disorders |