. (1996). . (e1168). Reports, 4(6), e1168
. "" .e1168 , Reports, 4, 6, 1996, e1168.
. (1996). '', Reports, 4(6), e1168.
, "," Reports, 4 6 (1996): e1168,
. . Reports. 1996;4(6):e1168 (In Persian).