by Gıca et al.
by Kucukkarapinar et al.
by Topal et al.
by Fernandez- Miranda et al.
by Miezah et al.
by Bahadırlı and Sağaltıcı.
by Akdeniz et al.
by Atagün et al.
by Aydin et al.
by Cakiroglu and Soylu.
Erhan Bayraktar, Yusuf Kala
( Psychiatry and Clinical Psychopharmacology 2000; 10: 144-152)