. (2005). . (e1931). Reports, 13(4), e1931
. "" .e1931 , Reports, 13, 4, 2005, e1931.
. (2005). '', Reports, 13(4), e1931.
, "," Reports, 13 4 (2005): e1931,
. . Reports. 2005;13(4):e1931 (In Persian).