Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

5 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Khat chewing is a risk factor of duodenal ulcer.
Raja'a YA, Noman TA, Al-Warafi AK, Al Mashraki NA, Al Yosofi AM. Raja'a YA, et al. Among authors: noman ta. Saudi Med J. 2000 Sep;21(9):887-8. Saudi Med J. 2000. PMID: 11376372 No abstract available.
Khat chewing is a risk factor of duodenal ulcer.
Raja'a YA, Noman TA, al Warafi AK, al Mashraki NA, al Yosofi AM. Raja'a YA, et al. Among authors: noman ta. East Mediterr Health J. 2001 May;7(3):568-70. East Mediterr Health J. 2001. PMID: 12690783 Free article. No abstract available.