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.
Murat Kuloğlu, Murad Atmaca, Ömer Geçici, A.Ertan Tezcan
(Alpha Psychiatry 2000; 1: 13-18)