. (2009). . (e2731). Reports, 17(4), e2731
. "" .e2731 , Reports, 17, 4, 2009, e2731.
. (2009). '', Reports, 17(4), e2731.
, "," Reports, 17 4 (2009): e2731,
. . Reports. 2009;17(4):e2731 (In Persian).