by Bisen and Deshpande.
by Eren et al.
by Akgül.
by Hesapcioglu and Yesilova.
by Gündogmus et al.
Kilicel et al.
Kursuncu and Bastemur.
by Pehlivan et al.
by Ghiasee and Sagsan
by Akcay et al.
Ertuğrul Eşel, M.Tayfun Turan, Kader Köse, Hüseyin Oğuz, Fatih Karaaslan, Pakize Doğan, Ali Gönül, Seher Sofuoğlu
(Alpha Psychiatry 2001; 2: 21-28)