. (1998). . (e1356). Reports, 6(1), e1356
. "" .e1356 , Reports, 6, 1, 1998, e1356.
. (1998). '', Reports, 6(1), e1356.
, "," Reports, 6 1 (1998): e1356,
. . Reports. 1998;6(1):e1356 (In Persian).