| title | ISBN-13 | year of publication |
|---|---|---|
| Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems | 978-1-4963-4728-2 | 2017 |
| Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems | 978-1-4963-7291-8 | 2017 |
| Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems | 978-1-4511-8876-9 | 2013 |
| Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems | 978-1-4698-5568-4 | 2013 |
L a · L. Allen · Loyd V. Allen · Loyd V. Allen Jr · Loyd V. Allen Jr. PhD · Loyd V., Jr. Allen · W Loyd Allen · William Loyd Allen