. (2009). . (e2880). Reports, 17(9), e2880
. "" .e2880 , Reports, 17, 9, 2009, e2880.
. (2009). '', Reports, 17(9), e2880.
, "," Reports, 17 9 (2009): e2880,
. . Reports. 2009;17(9):e2880 (In Persian).