. (2001). . (e1728). Reports, 9(3), e1728
. "" .e1728 , Reports, 9, 3, 2001, e1728.
. (2001). '', Reports, 9(3), e1728.
, "," Reports, 9 3 (2001): e1728,
. . Reports. 2001;9(3):e1728 (In Persian).