We conducted a preliminary survey on 3064 patients who underwent upper gastrointestinal
endoscopy at the Al-Thawra Hospital in Sana'a, Republic of Yemen, between January and …

Objective To assess whether the effect of chewing khat leaves (Catha edulis) on the urodynamics
of healthy males is altered by the selective α 1 ‐adrenergic blocking agent indoramin …

Twenty patients undergoing primary elective aorta–coronary artery bypass were divided
into two equal groups, both receiving identical premedication, anesthetic, and pump primes. …

… In addition, AlSafadi and Al-Qirbi [16] proved that administration of khat in rabbits effected
structural … Al-Safadi MM and Al-Qirbi AA, Studies on the erythrocytes is influenced by protons, …

A study of all cases of attempted suicide by drug ingestion over a 6-month period was undertaken
to evaluate the use of an emergency toxicology service and to establish the role of the …

A zone of alkaline phosphatase activity migrating at about 40% of the rate of liver phosphatase
in gel electrophoresis has been detected in sera from 2 out of 22 cases of ulcerative …

The authors give results for a 3-year study ending 1985 of stool and urine samples (by
sedimentation methods) from 358 children from rural areas and 283 from semirural areas of Sana'…

In this article, the epidemiology of hepatitis B [‎HBV]‎ infection in the Middle East is reviewed.
The prevalence of HBV carrier status in the region is considered and the modes of …

To assess whether the effect of chewing Khat leaves [Catha edulis] on the urodynamics of
healthy males is altered by the selective [alpha] 1-adrenergic blocking agent indoramin in a …

CORRESPONDENCE Page 1 CORRESPONDENCE Poisoning by drug overdose To the
editor: I have several comments to make on some of the issues raised by Drs. AA Qirbi and WJ …