. (1998). . (e1366). Reports, 6(2), e1366
. "" .e1366 , Reports, 6, 2, 1998, e1366.
. (1998). '', Reports, 6(2), e1366.
, "," Reports, 6 2 (1998): e1366,
. . Reports. 1998;6(2):e1366 (In Persian).