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
( Psychiatry and Clinical Psychopharmacology 1992; 2: 1-6)