. (1998). . (e1471). Reports, 6(9), e1471
. "" .e1471 , Reports, 6, 9, 1998, e1471.
. (1998). '', Reports, 6(9), e1471.
, "," Reports, 6 9 (1998): e1471,
. . Reports. 1998;6(9):e1471 (In Persian).