权威例句
Importing khatIMPORTING KHATAdverse effects of khat: a reviewKhat: pharmacological and medical aspects and its social use in YemenMedical aspects of the chewing of khat leaves.Pharmacological properties of the stimulant khatPharmacological aspects of the chewing of khat leaves.Amphetamine-like effects in humans of the khat alkaloid cathinoneThe prevalence and socio-demographic correlates of khat chewing in Butajira, Ethiopia.Pharmacokinetics of cathinone, cathine and norephedrine after the chewing of khat leaves
