1. Concurrent tobacco and khat use is associated with blunted cardiovascular stress response and enhanced negative mood: a cross‐sectional investigation. (7th April 2014) Authors: al'Absi, Mustafa; Nakajima, Motohiro; Dokam, Anisa; Sameai, Abed; Alsoofi, Mohamed; Saem Khalil, Najat; Al Habori, Molham Journal: Human psychopharmacology Issue: Volume 29:Number 4(2014:Jun.) Page Start: 307 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗