| Hans-Günter Meyer-Thompson | Verschiedene
Prevalence, withdrawal symptoms and associated factors of khat chewing among students at Jimma University in Ethiopia.
Prevalence, withdrawal symptoms and associated factors of khat chewing among students at Jimma University in Ethiopia.
Abdeta T, Tolessa D, Adorjan K, Abera M.
BMC Psychiatry. 2017 Apr 17;17(1):142. doi: 10.1186/s12888-017-1284-4.