. (2008). . (e2461). Reports, 16(8), e2461
. "" .e2461 , Reports, 16, 8, 2008, e2461.
. (2008). '', Reports, 16(8), e2461.
, "," Reports, 16 8 (2008): e2461,
. . Reports. 2008;16(8):e2461 (In Persian).