. (1998). . (e1491). Reports, 6(10), e1491
. "" .e1491 , Reports, 6, 10, 1998, e1491.
. (1998). '', Reports, 6(10), e1491.
, "," Reports, 6 10 (1998): e1491,
. . Reports. 1998;6(10):e1491 (In Persian).