| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Selection, Preparation and Pharmacological Evaluation of Plant Material, Volume 1 | 978-O-471-94216-O (O-471-94216-2) | 1996 | Elizabeth M. Williamson · Fred J. Evans |
D.O. · D Okpako · D. T. · D.T. Okpako · David T.