| Author: | Matev, M., I. Chakurski, G. Stefanov, A. Koichev, and I. Angelov |
| Article Title: | Use of an herbal combination with laxative action on duodenal peptic ulcer and gastroduodenitis patients with a concomitant obstipation syndrome. |
| Keywords: | Rhamnus frangula, Frangula alnus, glossy buckthorn |