| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| CGRN Exam Flashcard Study System: CGRN Test Practice Questions & Review for the American Board of Certification for Gastroenterology Nurses RN Examination | 978-1-60971-333-1 (1-60971-333-8) | 2013 |
| CGRN Exam Secrets Study Guide: CGRN Test Review for the American Board of Certification for Gastroenterology Nurses RN Examination | 978-1-60971-332-4 (1-60971-332-X) | 2013 |