. (2008). . (e2447). Reports, 16(8), e2447
. "" .e2447 , Reports, 16, 8, 2008, e2447.
. (2008). '', Reports, 16(8), e2447.
, "," Reports, 16 8 (2008): e2447,
. . Reports. 2008;16(8):e2447 (In Persian).