K. D. · Karen De Felice · Karen L. Defelice · Karine Dufils
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Enzymes for Autism and Other Neurological Conditions | 978-0-9725918-5-0 (0-9725918-5-0) | 2008 |
| Enzymes for Digestive Health and Nutritional Wealth: The Practical Guide for Digestive Enzymes | 978-0-9725918-6-7 (0-9725918-6-9) | 2003 |
| Enzymes: Go With Your Gut: More Practical Guidelines For Digestive Enzymes | 978-0-9725918-9-8 (0-9725918-9-3) | 2006 |