. (1999). . (e1534). Reports, 7(5), e1534
. "" .e1534 , Reports, 7, 5, 1999, e1534.
. (1999). '', Reports, 7(5), e1534.
, "," Reports, 7 5 (1999): e1534,
. . Reports. 1999;7(5):e1534 (In Persian).