. (2008). . (e2220). Reports, 15(12), e2220
. "" .e2220 , Reports, 15, 12, 2008, e2220.
. (2008). '', Reports, 15(12), e2220.
, "," Reports, 15 12 (2008): e2220,
. . Reports. 2008;15(12):e2220 (In Persian).