Khat chewing is a risk factor of duodenal ulcer.
Raja'a
Y A
YA
Noman
T A
TA
Al-Warafi
A K
AK
Al Mashraki
N A
NA
Al Yosofi
A M
AM
D029754:Catha; D004381:Duodenal Ulcer / Q000139:chemically induced*; D006801:Humans; D010936:Plant Extracts / Q000009:adverse effects*; D012307:Risk Factors; D015006:Yemen
D010936:Plant Extracts